Chapter
VI. Determination of Effects on Federally Listed Species
This
determination of effects is based solely on the Preferred Alternative
in the Final Yosemite Valley Plan as described in Chapter III of
this document, and does not assume any potential mitigation measures.
Mitigation measures are recommended in Chapter VII. The following criteria
were used to develop determinations:
-
No
Effect The project (or action) is located outside suitable
habitat and there would be no disturbance or other direct
or indirect impacts on the species.
-
May
Effect, Not Likely to Adversely Effect The project
(or action) occurs in suitable habitat or results in indirect
impacts on the species, but the effect on the species is likely
to be beneficial, discountable, or insignificant.
-
May
Effect, Likely to Adversely Effect The project
(or action) would have an adverse effect on a listed species as
a result of direct, indirect, interrelated, or interdependent
actions.
Determinations
for Federally Listed Threatened or Endangered Species
Sierra
Nevada bighorn sheep (Ovis canadensis sierrae)
It
is the determination of the National Park Service that actions that are
proposed in the Final Yosemite Valley Plan/SEIS may affect, but
are not likely to adversely affect, the Sierra Nevada bighorn sheep. The
following conclusions have led to this determination:
-
There
would be no direct effects on habitat for the Sierra Nevada bighorn
sheep.
-
Indirect
effects as a result of increased visitor use at Tioga Pass would be
negligible, due to the steep and relatively inaccessible terrain used
by the Sierra Nevada bighorn sheep.
Valley elderberry
longhorn beetle (Desmocerus californicus)
It is the determination
of the National Park Service that the actions proposed in the Final
Yosemite Valley Plan/SEIS may affect, and are likely to adversely
affect, the Valley elderberry longhorn beetle. The following conclusions
have led to this determination:
-
Elderberry
plants grow within the project area. Based on the foregoing analysis,
there is a likelihood that "take," as defined in the Endangered
Species Act, may occur.
Elderberry
plants, the sole foodplant and habitat for the Valley elderberry longhorn
beetle, are abundant in the Merced River canyon in the elevation range
of the beetle. Elderberry plants would be avoided during construction
wherever practicable.
.
California
red-legged frog (Rana aurora draytonii)
It is the determination
of the National Park Service that actions that are proposed in the
Final Yosemite Valley Plan/SEIS would not affect the California
red-legged frog. The following conclusions have led to this determination:
-
No
populations of the California red-legged frog were found in the park
in recent surveys, and it is unlikely that red-legged frogs will be
found within Yosemite Naitonal Park (Fellers 1999).
-
There
are two main areas in Yosemite that would be suitable places to reintroduce
the California red-legged frog, provided the bullfrog population is
removed: Yosemite Valley and the Swamp Lake area (Fellers 1999). The
Preferred Alternative would restore at least 135 acres of suitable
habitat for the California red-legged frog in Yosemite Valley.
Bald
Eagle (Haliaeetus leucocephalus)
It is the determination
of the National Park Service that actions that are proposed in the
Final Yosemite Valley Plan/SEIS may affect, but are not likely to
adversely affect, the bald eagle. The following conclusions have led
to this determination:
-
Bald
eagles are rarely seen within Yosemite National Park and are not known
to nest in the park; however, riparian and meadow areas of Yosemite
Valley may provide foraging habitat for transient eagles.
-
Actions
proposed in the Final Yosemite Valley Plan/SEIS would restore
at least 135 acres of meadow and riparian habitat that could provide
foraging habitat for transient eagles.
-
Development and fragmentation in upland habitats would have negligible
effects on this species.
Chapter
VII. Management Recommendations and Mitigation
Avoidance
and Protection Measures
Avoidance
and Protection Measures Common to All Special-Status Species
The following hierarchy
would be employed to avoid, minimize, or compensate for adverse effects
to special-status species.
-
Avoid adverse effects on special-status species
-
Minimize adverse effects on special-status species
-
Mitigate/compensate for adverse effects on special-status
species
Additional documentation, studies, and consultation would
be conducted as appropriate prior to implementation of specific actions.
-
Prior to construction, conduct surveys as necessary
for special-status species in the vicinity of all new construction
in Yosemite Valley, El Portal, Wawona, Foresta, Hazel Green, South
Entrance, Big Oak Flat Entrance, Tioga Pass Entrance, and Badger Pass.
Bridges and other structures will be surveyed prior to deconstruction.
This will take place well in advance of the project design phase to
assure that avoidance and minimization requirements can be met. Should
additional state or federally listed species be found that were not
documented in this Biological Assessment, consultation with the USFWS
would be initiated.
-
To the extent practicable, site and design facilities/actions
to avoid adverse effects to special-status species. If avoidance is
infeasible, minimize and compensate adverse effects to special-status
as appropriate and in consultation with the appropriate resource agencies.
-
Develop and implement restoration and/or monitoring
plans as warranted. Plans should include methods for implementation,
performance standards, monitoring criteria, and adaptive management
techniques.
-
Implement measures to reduce adverse effects of non-native
plants and wildlife on special-status species.
-
Implement stormwater management measures to reduce
non-point source pollution discharge from roads, parking lots, and
other impervious surfaces. This could include oil/sediment separators,
street sweeping, infiltration beds, and use of permeable surfaces
and vegetated or natural filters to trap or filter stormwater runoff.
-
Use only plants native to Yosemite National Park in
landscaping.
-
Prepare and implement a noxious weed abatement program.
This could include restoration of degraded habitats, use of hand labor
to remove weeds, and use of herbicides.
-
Implement measures to reduce adverse effects of non-native
wildlife. This could include use of processed feeds and hay at stables
to reduce food for cowbirds, trapping programs for cowbirds, and measures
to eradicate bullfrogs from wetland habitats.
-
To the extent practicable, site and design facilities/actions
to avoid adverse effects to sensitive wildlife habitats or habitat
features, especially during breeding seasons. If avoidance is infeasible,
minimize and compensate adverse effects as appropriate.
-
Minimize night lighting where practicable. Where night
lighting is necessary, design lighting to be minimal, directed downward,
and shielded.
-
Educate the public on the dangers of intentional or
unintentional feeding of park wildlife, and on inadvertent harassment
through observation or pursuit.
-
Implement standard noise abatement measures during
park operations. Standard noise abatement measures could include the
following elements: a schedule that minimizes effects to adjacent
noise-sensitive uses, use of the best available noise control techniques
wherever feasible, use of hydraulically or electrically powered impact
tools when feasible, and location of stationary noise sources as far
from sensitive areas as possible.
-
To the extent practicable, site and design facilities
to minimize objectionable noise elements.
-
Allow natural processes to maintain the presence of
very large, old trees, snags, large-diameter logs, and decaying wood
across the landscape.
-
Maintain conditions suitable for spotted owl prey
base, including decadence features such as mistletoe brooms, cavities,
tree deformities, fungus growth, and large, decaying oaks.
Construction-
and Demolition-Related Best Management Practices
The following best
management practices would be implemented, as appropriate, prior to,
during, and/or after specific construction or demolition actions. Specific
tasks would include, but are not limited to, the following:
-
Implement a compliance monitoring program when sensitive
resources have potential to be affected. The compliance monitoring
program would oversee/enforce the below-referenced measures and include
compliance strategies and reporting protocols.
-
Implement a fencing and flagging program to protect
special-status or sensitive habitats. This could include the following
types of measures: using of high-visibility snow fences around protected
elderberry shrubs, marking trees to be retained, using signs (e.g.,
"no refueling" signs) in areas of high sensitivity.
-
Implement a native vegetation salvage program. This
could include minimizing land disturbance, salvage and storage of
topsoil, treatment of non-native species, erosion control, and revegetation.
-
Implement a dust abatement program. Standard dust
abatement measures could include the following elements: water or
otherwise stabilize soils, cover haul trucks, employ speed limits
on unpaved roads, minimize vegetation clearing, and revegetate after
construction.
-
Implement standard noise abatement measures during
construction. Standard noise abatement measures could include the
following elements: a schedule that minimizes effects to adjacent
noise-sensitive uses, use of the best-available noise control techniques
wherever feasible, use of hydraulically or electrically powered impact
tools when feasible, and location of stationary noise sources as far
from sensitive uses as possible.
-
Implement a noxious weed abatement program. Standard
measures could include the following elements: ensure construction-related
equipment arrives on site free of mud or seed-bearing material, use
only certified weed-free seeds and straw material, identify areas
of noxious weeds pre-construction, treat noxious weeds or noxious
weed topsoil prior to construction (e.g., topsoil segregation, storage,
herbicide treatment), and revegetate with appropriate native species
propogated from local genetic stock.
-
Implement a natural resource protection program. Standard
measures could include construction scheduling, biological monitoring,
erosion and sediment control, protection of sensitive habitats, removal
of all food-related items or rubbish to bear-proof containers, topsoil
salvage, and revegetation. This could include specific construction
monitoring by resource specialists, treatment, and reporting procedures.
-
To the extent practicable, schedule project activities
that generate high levels of noise and other disturbance (e.g., light)
to occur during periods of the year and times of day when effects
on species sensitive to such disturbance would be minimized.
-
Implement a spill prevention and pollution control
program (hazardous materials). Standard measures could include hazardous
materials storage and handling procedures; spill containment, cleanup,
and reporting procedures; and limitation of refueling and other hazardous
activities to upland/nonsensitive sites.
-
Implement an interpretation and education program.
Continue signage and education programs to promote understanding among
park visitors.
-
Implement a tree protection plan as warranted. This
could include measures such as avoiding the root zone (typically 1.5
times the tree canopy), using hand equipment for trenching within
the root zone, reducing compaction within root-zones, and maintaining
a natural grade.
Species-Specific
Avoidance and Protection Measures
The following avoidance
and protection measures are included to guide future actions and planning
in the project area. These measures are based on current scientific
protocols and agency recommendations. These measures are intended to
be fluid and to change with increased knowledge about a particular species
or suite of species or as new technologies become available and practicable.
The Valley elderberry
longhorn beetle
-
Mitigation measures prescribed in the Biological Opinion
for this plan (rendered by the USFWS) will be applied to all potential
actions. The Biological Opinion will be based on conservation guidelines
developed by the U.S. Fish and Wildlife Service (USFWS 1999).
-
All National Park Service personnel that coordinate
construction work should be familiar with the locations and avoidance
requirements for all elderberry shrubs within the construction zone.
-
The contractor and all of the contractors on-site
personnel should be briefed on the locations of elderberry, avoidance
requirements, and penalties for noncompliance.
-
Elderberry plants within the project area should be
individually fenced 20 feet from the dripline. The area would be signed
before clearing and grubbing begins and before any large equipment
is allowed access to the site.
-
A qualified National Park Service staff member should
be present for the duration of the project to ensure no unnecessary
take of elderberry occurs. The staff member would have the authority
to stop all activities should the potential for unnecessary take become
apparent. He or she should report any violations to the USFWS.
-
Any construction-related disturbance to the buffer
zone (100 feet from the dripline) should be minimized and restored
following construction.
-
All potential development zones below 3,000 feet (in
the typical elevation range of the Valley elderberry longhorn beetle)
have been surveyed for elderberry plants. All project sites above
3,000 feet will be surveyed prior to site design for the presence
or absence of beetle exit holes. In the unlikely event that exit holes
are discovered in areas outside the typical range of the Valley elderberry
longhorn beetle, mitigation measures as described in the Biological
Opinion from the USFWS will be applied.
Special-Status Birds
-
To minimize adverse effects on nesting birds, limit
construction activities in nesting habitat during breeding season,
which is typically March to August.
-
Trees or structures that contain unoccupied nests
(stick nests or tree cavities), but must be removed, should be removed
prior to March 1, or after nesting season is over.
-
Alternatively, if activities take place during the
breeding season, a qualified biologist would conduct a pre-construction
survey for individuals no more than one week prior to construction
in March through August. If any special-status species is observed
nesting, a determination should be made as to whether or not the Preferred
Alternative will impact the active nest or disrupt reproductive behavior.
-
If it is determined that the action will not impact
an active nest or disrupt breeding behavior, construction will proceed
without any restriction or mitigation measure.
-
If it is determined that construction will impact
an active nest or disrupt reproductive behavior, then avoidance strategies
should be implemented. Construction could be delayed within 500 feet
of such a nest, until a qualified biologist determines that the subject
birds are no longer nesting or until any juvenile birds are no longer
using the nest as their primary day and night roost.
Special-Status
Aquatic Species
Implementation of the following reasonable and prudent measures would
reduce or eliminate potential taking of special-status amphibians. These
measures were abstracted from the USFWS Programmatic Biological Opinion
for projects that may affect California red-legged frog though the Biological
Opinion does not specifically apply to this project because no take
of California red-legged frog is anticipated. Provisions listed below
are considered reasonable and prudent for actions located within 100
feet of aquatic habitats:
-
Work activities within potential special-status aquatic
species habitat should be completed between July 1 and November 1
or during low-flow conditions.
-
A qualified biologist should survey the site two weeks
before the onset of activities. If special-status aquatic species,
tadpoles, or eggs are found, the biologist will contact the appropriate
agency(ies) to determine if moving any of these life-stages is appropriate.
Surveys will follow the "Guidance on Site Assessment and Field
Surveys for California Red-legged Frogs" developed by the U.S.
Fish and Wildlife Service (USFWS 1997).
-
A qualified biologist should conduct training sessions
for all construction personnel before activities begin.
-
Construction adjacent to aquatic habitats should be
fenced to prohibit the movement of frogs into the construction area,
and to control siltation and disturbance in aquatic habitats.
-
All construction adjacent to or within aquatic habitats
should be regularly monitored.
-
All trash that may attract predators should be contained
and regularly removed. Following construction, all trash and construction
debris will be removed from work areas.
-
All fueling and maintenance of vehicles and equipment
should occur at least 20 meters (65 feet) from any aquatic habitat.
-
The spread or introduction of invasive, non-native
plant species should be avoided. When practicable, invasive plants
in the project areas will be removed.
-
The number and size of access routes, staging areas,
and total area of activity should be limited to the minimum necessary
to achieve the project goal.
-
Best management practices should be implemented to
control erosion.
-
During dewatering, intakes should be completely screened
with wire mesh not larger than 5 millimeters to prevent aquatic species
from entering the pump system. Water would be released or pumped downstream
at an appropriate rate to maintain downstream flows during construction.
Upon completion of construction activities, any barriers to flow will
be removed in a manner that allows flow to resume with the least disturbance
to the substrate.
-
Where practicable, qualified biologists would permanently
remove, from within the project area, any individuals of non-native
species, such as bullfrogs, crayfish, and centrachid fishes, to the
maximum extent possible.
-
The downstream construction boundary should be fenced
to prohibit the movement of aquatic species into the construction
area and to control creek siltation and disturbance to downstream
riparian habitat. An exclosure fence should be installed in the creek
channel both upstream and downstream of construction activities as
appropriate. Fences should be installed at least six weeks prior to
the commencement of any construction activities.
-
Immediately after installation of the exclosure fence,
a qualified biologist should inspect all areas within the fence for
aquatic species.
Special-Status
Bats
-
A qualified biologist should conduct surveys to determine
whether affected structures, mature trees, or other habitat (e.g.,
crevices) provide hibernacula, nursery colony, or roosting habitat.
-
If surveys conducted during the fall do not reveal
any bat species, then the action should occur within three days in
order to prevent the destruction of any bats that move into the area
after the survey.
-
If the site is being used as a winter roost, then
the action should occur either prior to hibernation (between September
1 and October 1) or after hibernation (January 15 to February 15).
-
If spring surveys are conducted and reveal that the
site is being used as a nursery colony, the action should not occur
until after August 15, when the pups are weaned and are free-flying.
Other
Special-Status Mammals
-
Excavation sites (trenches or pits) would have suitable
ramps for small mammals to exit these areas.
-
A qualified biologist would be available to inspect
all excavations before refilling occurs, ensuring that special-status
species are passively relocated to avoid incidental take.
-
Exclosure fencing could be erected prior to construction
to ensure that no special-status species are within the construction
area.
-
To prevent mortality caused by motor vehicles, speed
limits in primary fisher habitat should be low.
Chapter
VIII. Contributors and References
Contributors
| |
TITLE |
RESPONSIBILITY |
| Lisa
Acree |
National
Park Service, Yosemite Resource Management Specialist |
Project
coordinator, lead writer |
| Ali
Baird |
National Park
Service, Yosemite
GIS Specialist
|
GIS
analysis |
| Leslie
Chow |
U.S.
Geological Survey, Yosemite Research Wildlife Biologist |
Wildlife |
| Sue
Fritzke |
National
Park Service, Yosemite Supervisory Resource Management Specialist |
Vegetation |
| Russell
Galipeau |
National
Park Service, Yosemite
Project Manager |
Coordination
with Final Yosemite Valley Plan/SEIS |
| Peggy
Moore |
U.S.
Geological Survey, Yosemite Ecologist |
Vegetation |
| Steve
Thompson |
National
Park Service, Yosemite Wildlife Biologist |
Wildlife |
| Jan
van Wagtendonk |
U.S.
Geological Survey, Yosemite Research Scientist |
GIS
analysis, research management |
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Appendix
K-1 U.S. Fish and Wildlife Service Species List
United
States Department of The Interior
FISH
AND WILDLIFE SERVICE
Sacramento Fish and Wildlife Office
2800 Cottage Way, Room W2605
Sacramento, California 95825
REPLY
REFER
1-1-00-SP-1332
March
29, 2000
Memorandum
To:
Lisa Acree, Resources Management, National Park Service, El
Portal, California
From: Chief,
Endangered Species Division, Sacramento Fish and Wildlife Office, Fish
and Wildlife Service, Sacramento, California
Subject: Species
List for the Draft Yosemite Valley Plan
We are
sending the enclosed list in response to your March 29, 2000, request
for information about
endangered and threatened species (Attachment A). These lists fulfill
the requirement of the
Fish and Wildlife Service (Service) to provide species lists under section
7(c) of the Endangered Species Act of 1973, as amended (Act).
The
Service used the information in your letter to locate the proposed project
on a U.S. Geological Survey (U.S. Geological Survey) 7.5 minute quadrangle
map. The animal species on the Attachment A quad list are those species
we believe may occur within, or be affected by projects within,
the U.S. Geological Survey quads where your project is planned.
Any
plants on the quad list are ones that have actually been observed
in that quad. Plants may occur in a quad without having been observed
there. Therefore we have included a species list for the whole county
in which your project occurs. We recommend that you survey for any relevant
plants shown on this list.
Fish
and other aquatic species appear on your list if they are in the same
watershed as your quad or if water use in your quad might affect them.
Birds are shown regardless of whether they are resident or migratory.
Relevant birds on the county list should be considered regardless of whether
they appear on a quad list.
If a
species has been listed as threatened or endangered by the State of California,
but not by us nor by the National Marine Fisheries Service, it will appear
on your list as a Species of Concern. However you must contact the
California Department of Fish and Game for official information about
these species. Call (916) 322-2493 or write Marketing Manager, California
Department of Fish and Game, Natural Diversity Data Base, 1416 Ninth Street,
Sacramento, California 95814.
Some
of the species listed in Attachment A may not be affected by the proposed
action. A trained biologist
or botanist, familiar with the habitat requirements of the listed species,
should determine whether
these species or habitats suitable for them may be affected. For plants,
we recommend using
the enclosed Guidelines for Conducting and Reporting Botanical Inventories
for Federally Listed,
Proposed and Candidate Species (Attachment C).
Some
pertinent information concerning the distribution, life history, habitat
requirements, and published
references for the listed species is available upon request. This information
may be helpful
in preparing the biological assessment for this project, if one is required.
Please see Attachment
B for a discussion of the responsibilities Federal agencies have under
section 7(c) of the
Act and the conditions under which a biological assessment must be prepared
by the lead Federal
agency or its designated non-Federal representative.
Formal
consultation, under 50 CFR § 402.14, should be initiated if you determine
that a listed species
may be affected by the proposed project. If you determine that a proposed
species may be adversely
affected, you should consider requesting a conference with our office
under 50 CFR §402.10.
Informal consultation may be utilized prior to a written request for formal
consultation to exchange
information and resolve conflicts with respect to a listed species. If
a biological assessment
is required, and it is not initiated within 90 days of your receipt of
this letter, you should
informally verify the accuracy of this list with our office.
When
a species is listed as endangered or threatened, areas of habitat considered
essential to itsconservation may be designated as critical habitat.
These areas may require special managementconsiderations or protection.
They provide needed space for growth and normal behavior; food,water,
air, light, other nutritional or physiological requirements; cover or
shelter; and sites for breeding, reproduction, rearing of offspring, germination
or seed dispersal. Although critical habitat may be designated on private
or State lands, activities on these lands are not restricted unless there
is Federal involvement in the activities or direct harm to listed wildlife.
If any
species has proposed or designated critical habitat within a quad, this
will be noted on the species list. Maps and boundary descriptions of the
critical habitat may be found in the Federal Register. The information
is also reprinted in the Code of Federal Regulations (50 CFR 17.95).
Candidate
species are being reviewed for possible listing. Contact our office
if your biological assessment reveals any candidate species that might
be adversely affected. Although they currently have no protection under
the Endangered Species Act, one or more of them could be proposed and
listed before your project is completed. By considering them from the
beginning, you could avoid problems later.
Your
list may contain a section called Species of Concern. This term
includes former category 2 candidate species and other plants and
animals of concern to the Service and other Federal, tate and private
conservation agencies and organizations. Some of these species may become
candidate species in the future.
If the
proposed project will impact wetlands, riparian habitat, or other jurisdictional
waters as defined by the U.S. Army Corps of Engineers (Corps), a Corps
permit will be required, under section 404 of the Clean Water Act and/or
section 10 of the Rivers and Harbors Act. Impacts to wetland habitats
require site specific mitigation and monitoring. You may request a copy
of the Services General Mitigation and Monitoring Guidelines or
submit a detailed description of the proposed impacts for specific comments
and recommendations. If you have any questions regarding wetlands, contact
Mark Littlefield at (916)
414-6580.
We appreciate
your concern for endangered species. Please contact Harry Mossman, Biological
Technician, at (916) 414-6650, if you have any questions about the attached
list or your responsibilities under the Endangered Species Act. For the
fastest response to species list requests, address them to the attention
of Mr. Mossman at this address. You may fax requests to him at 414-6710.
Sincerely,
Karen J. Miller
Chief, Endangered
Species Division
Attachments
ATTACHMENT
A
Endangered
and Threatened Species That May Occur in or be Affected by
Projects in
the U.S.G.S. 7 _ Minute Quads Listed at the End of This Report
Draft Yosemite
Valley
Plan March
29, 2000
Listed Species
Mammals
Sierra
Nevada (=California) bighorn sheep, Ovis canadensis cailforniana
(E)
Birds
bald eagle, Hailaeetus
leucocephalus (T)
Amphibians
California red-legged
frog, Rana aurora draytonii (T)
Fish
delta smelt,
Hypomesus transpacificus (T)
Paiute cutthroat
trout, Oncorhynchus (=Salmo) clarki seleniris (T)
Central Valley
steelhead, Oncorhynchus mykiss (T)
Sacramento splittail,
Pogonichthys macrolepidotus (T)
Species
of Concern
Mammals
Mono Basin mountain
beaver, Aplodontia rufa californica (SC)
pygmy rabbit,
Brachylagus idahoensis (SC)
spotted bat,
Euderma maculatum (SC)
greater western
mastiff-bat, Eumops perotis cailfornicus (SC)
Califorma wolverine,
Gulo gulo luteus (CA)
Sierra Nevada
snowshoe hare, Lepus americanus tahoensis (SC)
American (=pine)
marten, Martes americana (SC)
Pacific fisher,
Martes pennanti pacifica (SC)
Small-footed
myotis bat, Myotis ciliolabrum (SC)
long-eared myotis
bat, Myotis evotis (SC)
fringed myotis
bat, Myotis thysanodes (SC)
long-legged myotis
bat, Myotis volans ( SC)
Yuma myotis bat,
Myotis yumanensis (SC)
Mt. Lyell shrew,
Sorex lyelli (SC)
Sierra Nevada
red fox, Vulpes vulpes necator (CA)
Birds.
northern goshawk,
Accipiter gentilis (SC)
Bells sage
sparrow, Amphispiza belli belli (SC)
.little willow
flycatcher, Empidonax traillii brewsteri (CA)
.American peregrine
falcon, Falco paregrinus anatum (D)
.Harlequin duck,
Histrionicus histrionicus (SC)
.California spotted
owl, Strix occidentalis occidentalis (SC)
.Reptiles
northwestern
pond turtle. Clemmys marmorata marmorata (SC)
.southwestern
pond turtle, Clemmys marmorata pallida (SC)
.northern sagebrush
lizard, Sceloporus graciosus graciosus (SC)
.Amphibians
Yosemite toad,
Bufo canorus (SC)
.limestone salamander,
Hydromantes brunus (CA)
.Mount Lyell
salamander, Hydromantes platycephalus (SC)
.foothill yellow-legged
frog, Rana boylii (SC)
.mountain yellow-legged
frog, Rana muscosa (SC)
.Fish
Red Hills roach,
Lavinia symmetricus (SC)
.longfin smelt,
Spirinchus thlieichthys (SC)
.Invertebrates
Wawona riffle
beetle, Atractelmis wawona (SC)
.Merced Canyon
shoulderband snail, Helminthoglypta allynsmithi (SC)
.keeled sideband
snail, Monadenia circumcarinata (SC)
.Yosemite mariposa
sideband snail, Monadenia hillebrandi yosemitensis (SC)
.Boharts
blue butterfly, Philotiella speciosa bohartorum (SC)
.Sierra pygmy
grasshopper, Tetrix sierrana (SC)
.Plants
Tiehms
rock-cress, Arabis tiehmii (SC)
Yosemite woolly-sunflower,
Eriophyllum nubigenum (SC)
.Hetch Hetchy
(slndr.stmmd.) monkeyflower, Mimulus filicaulis (SC)
.parasol clover,
Trifolium bolanderi (SC)
|
U.S.G.S.
7 _ minute quads used
|
Quad#
|
HALF DOME
|
437A
|
EL CAPITAN
|
437B
|
EL PORTAL
|
438A
|
TIOGA PASS
|
454A
|
YOSEMITE
FALLS
|
455D
|
ACKERSON
MTN.
|
456D
|
KEY:
| (E)
Endangered |
Listed
(in the Federal Register) as being in danger of extinction. |
| (T)
Threatened |
Listed
as likely to become endangered within the foreseeable future. |
| (P)
Proposed |
Officially
proposed (in the Federal Register) for listing as endangered or threatened. |
| (PX)
Proposed Critical Habitat |
Proposed
as an area essential to the conservation of the species. |
| (C) Candidate |
Candidate
to become a proposed species. |
| (SC)
Species of Concern |
May
be endangered or threatened. Not enough biological information has
been gathered
to support listing at this time. |
| (D)
Delisted |
Delisted.
Status to be monitored for 5 years. |
| (CA)
State-Listed |
Listed
as threatened or endangered by the State of California. |
Critical Habitat
Area
essential to the conservation of a species.
Endangered
and Threatened Species that May Occur in or be Affected by
PROJECTS IN
MARIPOSA COUNTY
March 29,2000
Listed
Species
Birds
Aleutian Canada
goose, Branta canadensis leucopareia (T)
bald eagle, Haliaeetus
leucocephalus (T)
Reptiles
blunt-nosed leopard
lizard, Gambelia (=Crotaphytus) sila (E)
Amphibians
California red-Iegged
frog, Rana aurora draytonii (T)
Fish
delta smelt, Hypomesus
transpacificus (T)
Central Valley
steelhead, Oncorhynchus mykiss (T)
Sacramento splittail,
Pogonichthys macrolepidotus (T)
Invertebrates
vernal pool fairy
shrimp, Branchinecta lynchi (T)
Valley elderberry
longhorn beetle, Desmocerus californicus dimorphus (T)
Plants
Mariposa pussy-paws,
Calyptridium pulchellum (T)
fleshy owls-clover,
Castilleja campestris ssp. succulenta (T)
Proposed Species
Birds
mountain plover,
Charadrius montanus (PT)
Candidate Species
Amphibians
California tiger
salamander, Ambystoma californiense (C)
Fish
Central Valley
fall/late fall-run chinook salmon, Oncorhynchus tshawytscha (C)
Species of Concern
Mammals
California wolverine,
Gulo gulo luteus (CA)
Sierra Nevada red
fox, Vulpes vulpes necator (CA)
pygmy rabbit, Brachylagus
idahoensis (SC)
pale Townsends
big-eared bat, Corynorhinus (=Plecotus) townsendii pallescens
(SC)
Pacific western
big-eared bat, Corynorhinus (=Plecotus) townsendii townsendii
(SC)
spotted bat, Eudenna
maculatum (SC)
greater western
mastiff-bat, Eumops perotis californicus (SC)
Sierra Nevada snowshoe
hare, Lepus americanus tahoensis (SC)
American (=pine)
marten, Martes americana (SC)
Pacific fisher,
Martes pennanti pacifica {SC)
small-footed myotis
bat, Myotis ciliolabrum (SC)
long-eared myotis
bat, Myotis evotis (SC)
fringed myotis
bat, Myotis thysanodes (SC)
long-Iegged myotis
bat, Myotis volans (SC)
Yuma myotis bat,
Myotis yumanensis (SC)
San Joaquin pocket
mouse, Perognathus inornatus (SC)
Mt. Lyell shrew,
Sorex Iyelli (SC)
Birds
Swainsons
hawk, Buteo Swainsoni (CA)
little willow flycatcher,
Empidonax trailii brewsteri (CA)
American peregrine
falcon, Falco peregrinus anatum (D)
northern goshawk,
Accipiter gentilis (SC)
tricolored blackbird,
Agelaius tricolor (SC)
grasshopper sparrow
, Ammodramus savannarum (S C)
Bells sage
sparrow, Amphispiza belli belli (SC)
short-eared owl,
Asio flammeus (SC)
American bittern,
Botaurus lentiginosus (SC)
ferruginous hawk,
Buteo regalis (SC)
Lawrences
goldfinch, Carduelis lawrencei (SC)
Vauxs swift,
Chaetura vauxi (SC)
olive-sided flycatcher,
Contopus cooperi (SC)
black swift, Cypseloides
niger (SC)
hermit warbler,
Dendroica occidentalis (SC)
Pacific-slope flycatcher,
Empidonax difficilis (SC)
Harlequin duck,
Histrionicus histrionicus (SC)
least bittern,
western, Ixobrychus exilis hesperis (SC)
loggerhead shrike,
Lanius ludovicianus (SC)
Lewis woodpecker,
Melanerpes lewis (SC)
white-faced ibis,
Plegadis chihi (SC)
rufous hummingbird,
Selasphorus rufus (SC)
red-breasted sapsucker,
Sphyrapicus ruber (SC)
Brewers sparrow,
Spizella breweri (SC)
California spotted
owl, Strix occidentalis occidentalis (SC)
Bewicks wren,
Thryomanes bewickii (SC)
Reptiles
northwestern pond
turtle, Clemmys marmorata marmorata (SC)
southwestern pond
turtle, Clemmys marmorata pallida (SC)
California horned
lizard, Phrynosoma coronatum frontale (SC)
northern sagebrush
lizard, Sceloporus graciosus graciosus (SC)
Amphibians
limestone salamander,
Hydromantes brunus (CA)
Yosemite toad,
Bufo canorus (SC)
Mount Lyell salamander,
Hydromantes platycephalus (SC)
foothill yellow-legged
frog, Rana boylii (SC)
mountain yellow-legged
frog, Rana muscosa (SC)
western spadefoot
toad, Scaphiopus hammondii (SC)
Fish
green sturgeon,
Acipenser medirostris (SC)
river lamprey,
Lampetra ayresi (SC)
Kern brook lamprey,
Lampetra hubbsi (SC)
Pacific lamprey,
Lampetra tridentata (SC)
longfin smelt,
Spirinchus thaleichthys (SC)
Invertebrates
Wawona riffle beetle,
Atractelmis wawona SC)
Merced Canyon shoulderband
snail, Helminthoglyta allynsmithi (SC)
Leechs skyline
diving beetle, Hydroporus leechi (SC)
California linderiella
fairy shrimp, Linderiella occidentalis (SC)
molestan blister
beetle, Lytta molesta (SC)
Yosemite mariposa
sideband snail, Monadenia hillebrandi yosemitensis (SC)
Boharts blue
butterfly, Philotiella speciosa bohartorum (SC)
Sierra pygmy grasshopper,
Tetrix sierrana (SC)
Plants
Merced clarkia,
Clarkia lingulata (CA)
Mariposa lupine,
Lupinus citrinus var. deflexus (CA)
Hoovers rosinweed,
Calycadenia hooveri (SC)
Mono Hot Springs
evening-primrose, Camissonia sierrae ssp. alticola (SC)
beaked clarkia,
Clarkia rostrata (SC)
Rawsons flaming-trumpet,
Collomia rawsoniana (SC)
Yosemite woolly-sunflower,
Eriophyllum nubigenum (SC)
Parrys horkelia,
Horkelia parryi (SC)
shaggy-hair lupine,
Lupinus spectabilis (SC)
Hetch Hetchy (slndr.stmmd.)
monkeyflower, Mimulus filicaulis (SC)
California beaked-rush,
Rhynchospora californica (SC)
parasol clover,
Trifolium bolanderi (SC)
Pleasant Valley
mariposa, Calochortus clavatus var. avius (SC) *
Congdons
lomatium, Lomatium congdonii (SC) *
Mariposa daisy,
Erigeron mariposanus (SC) **
| (E)
Endangered |
Listed
(in the Federal Register) as being in danger of extinction. |
| (T)
Threatened |
Listed
as likely to become endangered within the foreseeable future. |
| (P)
Proposed |
Officially
proposed (in the Federal Register) for listing as endangered or threatened. |
| (PX)
Proposed Critical Habitat |
Proposed
as an area essential to the conservation of the species. |
| (C) Candidate |
Candidate
to become a proposed species. |
| (SC)
Species of Concern |
May
be endangered or threatened. Not enough biological information has
been gathered
to support listing at this time. |
| (D)
Delisted |
Delisted.
Status to be monitored for 5 years. |
| (CA)
State-Listed Critical Habitat |
Listed
as threatened or endangered by the State of California. |
| * Extirpated |
Possibly
extirpated from the area. |
| ** Extinct |
Possibly
extinct |
| Critical
Habitat |
Area
essential to the conservation of a species. |
| Table
of Contents | Appendix A | Appendix
B | Appendix C | Appendix
D | Appendix E | Appendix
F | Appendix G |
| Appendix H | Appendix
I | Appendix J | Appendix K | Appendix
L | Appendix M | Appendix
N |
|
Chapter 1-3 | Chapter
4 Part 1 | Chapter 4 Part 2 | Chapter
5 | Chapter 6-8, K-1 |
|