Ecology Letters,
Journal Year:
2014,
Volume and Issue:
17(10), P. 1265 - 1273
Published: July 22, 2014
Abstract
Understanding
the
processes
determining
species
range
limits
is
central
to
predicting
distributions
under
climate
change.
Projected
future
ranges
are
extrapolated
from
distribution
models
based
on
layers,
and
few
incorporate
effects
of
biotic
interactions
species'
distributions.
Here,
we
show
that
a
positive
interaction
ameliorates
abiotic
stress,
has
profound
effect
limits.
Combining
field
surveys
92
populations,
10
common
garden
experiments
throughout
range,
greenhouse
experiments,
mutualistic
fungal
endophytes
ameliorate
drought
stress
broaden
geographic
their
native
grass
host
Bromus
laevipes
by
thousands
square
kilometres
(~
20%
larger)
into
drier
habitats.
Range
differentiation
between
fungal‐associated
fungal‐free
grasses
was
comparable
species‐level
divergence
congeners,
indicating
large
impacts
Positive
may
be
underappreciated
in
responses
climates
across
scales.
Science,
Journal Year:
2013,
Volume and Issue:
341(6145), P. 514 - 519
Published: Aug. 1, 2013
Scientists
have
long
predicted
large-scale
responses
of
infectious
diseases
to
climate
change,
giving
rise
a
polarizing
debate,
especially
concerning
human
pathogens
for
which
socioeconomic
drivers
and
control
measures
can
limit
the
detection
climate-mediated
changes.
Climate
change
has
already
increased
occurrence
in
some
natural
agricultural
systems,
but
many
cases,
outcomes
depend
on
form
details
host-pathogen
system.
In
this
review,
we
highlight
research
progress
gaps
that
emerged
during
past
decade
develop
predictive
framework
integrates
knowledge
from
ecophysiology
community
ecology
with
modeling
approaches.
Future
work
must
continue
anticipate
monitor
pathogen
biodiversity
disease
trends
ecosystems
identify
opportunities
mitigate
impacts
climate-driven
emergence.
PLoS Biology,
Journal Year:
2016,
Volume and Issue:
14(12), P. e2001104 - e2001104
Published: Dec. 8, 2016
Current
climate
change
may
be
a
major
threat
to
global
biodiversity,
but
the
extent
of
species
loss
will
depend
on
details
how
respond
changing
climates.
For
example,
if
most
can
undergo
rapid
in
their
climatic
niches,
then
extinctions
limited.
Numerous
studies
have
now
documented
shifts
geographic
ranges
that
were
inferred
related
change,
especially
towards
higher
mean
elevations
and
latitudes.
Many
these
contain
valuable
data
local
populations
not
yet
been
thoroughly
explored.
Specifically,
overall
range
include
contractions
at
"warm
edges"
species'
(i.e.,
lower
latitudes
elevations),
which
occur
through
extinctions.
Here,
climate-related
used
test
frequency
recent
change.
The
results
show
already
occurred
hundreds
species,
including
47%
976
surveyed.
This
was
broadly
similar
across
zones,
clades,
habitats
significantly
tropical
than
temperate
(55%
versus
39%),
animals
plants
(50%
freshwater
relative
terrestrial
marine
(74%
46%
51%).
Overall,
suggest
are
widespread,
even
though
levels
so
far
modest
those
predicted
next
100
years.
These
presumably
become
much
more
prevalent
as
warming
increases
further
by
roughly
2-fold
5-fold
over
coming
decades.
Science,
Journal Year:
2020,
Volume and Issue:
368(6492), P. 772 - 775
Published: May 14, 2020
Local
factors
restrain
forest
warming
Microclimates
are
key
to
understanding
how
organisms
and
ecosystems
respond
macroclimate
change,
yet
they
frequently
neglected
when
studying
biotic
responses
global
change.
Zellweger
et
al.
provide
a
long-term,
continental-scale
assessment
of
the
effects
micro-
on
community
composition
European
forests
(see
Perspective
by
Lembrechts
Nijs).
They
show
that
changes
in
canopy
cover
fundamentally
important
for
driving
climate
Closed
canopies
buffer
against
macroclimatic
change
through
their
cooling
effect,
slowing
shifts
composition,
whereas
open
tend
accelerate
local
heating
effects.
Science
,
this
issue
p.
772
;
see
also
711
Science,
Journal Year:
2013,
Volume and Issue:
341(6145), P. 486 - 492
Published: Aug. 1, 2013
Terrestrial
ecosystems
have
encountered
substantial
warming
over
the
past
century,
with
temperatures
increasing
about
twice
as
rapidly
land
oceans.
Here,
we
review
likelihood
of
continued
changes
in
terrestrial
climate,
including
analyses
Coupled
Model
Intercomparison
Project
global
climate
model
ensemble.
Inertia
toward
emissions
creates
potential
21st-century
that
is
comparable
magnitude
to
largest
65
million
years
but
orders
more
rapid.
The
rate
implies
a
velocity
change
and
required
range
shifts
up
several
kilometers
per
year,
raising
prospect
daunting
challenges
for
ecosystems,
especially
context
extensive
use
degradation,
frequency
severity
extreme
events,
interactions
other
stresses.
Proceedings of the National Academy of Sciences,
Journal Year:
2018,
Volume and Issue:
115(52), P. 13288 - 13293
Published: Dec. 10, 2018
As
the
world
warms
due
to
rising
greenhouse
gas
concentrations,
Earth
system
moves
toward
climate
states
without
societal
precedent,
challenging
adaptation.
Past
offer
possible
model
systems
for
warming
of
coming
decades.
These
include
Early
Eocene
(ca.
50
Ma),
Mid-Pliocene
(3.3-3.0
Last
Interglacial
(129-116
ka),
Mid-Holocene
(6
preindustrial
1850
CE),
and
20th
century.
Here,
we
quantitatively
assess
similarity
future
projected
these
six
geohistorical
benchmarks
using
simulations
from
Hadley
Centre
Coupled
Model
Version
3
(HadCM3),
Goddard
Institute
Space
Studies
E2-R
(GISS),
Community
Climate
System
Model,
Versions
4
(CCSM)
models.
Under
Representative
Concentration
Pathway
8.5
(RCP8.5)
emission
scenario,
by
2030
CE,
climates
most
closely
resemble
climates,
2150
they
climates.
RCP4.5,
stabilizes
at
Pliocene-like
conditions
2040
CE.
Eocene-like
emerge
first
in
continental
interiors
then
expand
outward.
Geologically
novel
are
uncommon
RCP4.5
(<1%)
but
reach
8.7%
globe
under
RCP8.5,
characterized
high
temperatures
precipitation.
Hence,
is
roughly
equivalent
stabilizing
while
unmitigated
trajectories,
such
as
similar
reversing
millions
years
long-term
cooling
on
scale
a
few
human
generations.
Both
emergence
geologically
rapid
reversion
may
be
outside
range
evolutionary
adaptive
capacity.
PLoS ONE,
Journal Year:
2016,
Volume and Issue:
11(8), P. e0159909 - e0159909
Published: Aug. 10, 2016
Refugia
have
long
been
studied
from
paleontological
and
biogeographical
perspectives
to
understand
how
populations
persisted
during
past
periods
of
unfavorable
climate.
Recently,
researchers
applied
the
idea
contemporary
landscapes
identify
climate
change
refugia,
here
defined
as
areas
relatively
buffered
over
time
that
enable
persistence
valued
physical,
ecological,
socio-cultural
resources.
We
differentiate
historical
views,
characterize
physical
ecological
processes
create
maintain
refugia.
then
delineate
refugia
can
fit
into
existing
decision
support
frameworks
for
adaptation
describe
seven
steps
managing
them.
Finally,
we
challenges
opportunities
operationalizing
concept
Managing
be
an
important
option
conservation
in
face
ongoing
change.
Proceedings of the National Academy of Sciences,
Journal Year:
2014,
Volume and Issue:
112(1), P. 184 - 189
Published: Nov. 24, 2014
Significance
Environmental
variation
is
becoming
more
frequent
and
unpredictable
as
a
consequence
of
climate
change,
yet
we
currently
lack
the
tools
to
evaluate
extent
which
organisms
may
adapt
this
phenomenon.
Here
develop
model
that
explores
these
issues
use
it
study
how
changes
in
timescale
predictability
environmental
ultimately
affect
population
viability.
Our
indicates
that,
although
populations
can
often
cope
with
fairly
large
parameters,
on
occasion
they
will
collapse
abruptly
go
extinct.
We
characterize
conditions
under
evolutionary
tipping
points
occur
discuss
vulnerability
such
cryptic
threats
depend
genetic
architecture
life
history
involved.
New Phytologist,
Journal Year:
2014,
Volume and Issue:
204(1), P. 37 - 54
Published: July 16, 2014
Summary
Climate
refugia,
locations
where
taxa
survive
periods
of
regionally
adverse
climate,
are
thought
to
be
critical
for
maintaining
biodiversity
through
the
glacial–interglacial
climate
changes
Q
uaternary.
A
research
need
is
better
integrate
and
reconcile
three
major
lines
evidence
used
infer
existence
past
refugia
–
fossil
records,
species
distribution
models
phylogeographic
surveys
in
order
characterize
complex
spatiotemporal
trajectories
populations
out
refugia.
Here
we
review
complementary
strengths,
limitations
new
advances
these
approaches.
We
provide
case
studies
illustrate
their
combined
application,
point
way
towards
opportunities
synthesizing
disparate
evidence.
Case
with
E
uropean
beech,
inghai
spruce
D
ouglas‐fir
how
combination
approaches
successfully
resolves
histories
not
attainable
from
any
one
approach.
Promising
statistical
techniques
can
capitalize
on
strengths
each
method
a
robust
quantitative
reconstruction
history.
Studying
help
identify
contemporary
clarify
conservation
significance,
particular
by
elucidating
fine‐scale
processes
geographic
that
buffer
against
rapidly
changing
climate.
Contents
38
I.
refugia:
biogeographical
significance
II.
Approaches
reconstructing
recent
39
III.
past:
46
IV.
New
integrative
47
V.
How
historical
inform
us
about
future
refugia?
48
VI.
Concluding
thoughts
49
Acknowledgements
References
Conservation Biology,
Journal Year:
2015,
Volume and Issue:
29(3), P. 724 - 737
Published: March 17, 2015
Arctic
marine
mammals
(AMMs)
are
icons
of
climate
change,
largely
because
their
close
association
with
sea
ice.
However,
neither
a
circumpolar
assessment
AMM
status
nor
standardized
metric
ice
habitat
change
is
available.
We
summarized
available
data
on
abundance
and
trend
for
each
species
recognized
subpopulation.
also
examined
diversity,
the
extent
human
use,
temporal
trends
in
12
regions
by
calculating
dates
spring
retreat
fall
advance
from
satellite
(1979–2013).
Estimates
varied
greatly
quality,
few
studies
were
long
enough
analysis.
Of
subpopulations,
78%
(61
78)
legally
harvested
subsistence
purposes.
Changes
phenology
have
been
profound.
In
all
except
Bering
Sea,
duration
summer
(i.e.,
reduced
ice)
period
increased
5–10
weeks
>20
Barents
Sea
between
1979
2013.
light
generally
poor
data,
importance
forecasted
environmental
changes
21st
century,
we
recommend
following
effective
conservation:
maintain
improve
comanagement
local,
federal,
international
partners;
recognize
spatial
variability
subpopulation
response
to
change;
implement
monitoring
programs
clear
goals;
mitigate
cumulative
impacts
activity;
limits
current
protected
legislation.
Estado
de
las
Poblaciones
Mamíferos
Marinos
del
Ártico,
la
Pérdida
Hábitats
Hielo
Marino
y
Recomendaciones
Conservación
para
el
Siglo
XXI
Los
mamíferos
marinos
Ártico
(MMA)
son
emblemas
cambio
climático,
principalmente
por
su
asociación
cercana
con
hielo
marino.
Sin
embargo,
no
se
encuentran
disponibles
ni
una
evaluación
estado
los
MMA
medida
estandarizada
en
hábitat
Resumimos
datos
sobre
abundancia
tendencia
cada
especie
reconocimos
subpoblaciones.
También
examinamos
diversidad
especies,
extensión
uso
parte
humanos
tendencias
temporales
marino
doce
regiones
al
calcular
fechas
retroceso
hielos
primavera
avance
otoño
partir
satelitales
estimados
variaron
enormemente
calidad
pocos
estudios
fueron
lo
suficientemente
largos
como
realizar
un
análisis
tendencia.
De
subpoblaciones
MMA,
cazadas
legalmente
razones
subsistencia.
cambios
fenología
han
sido
profundos.
En
todas
regiones,
salvo
Mar
Bering,
duración
periodo
verano
(es
decir,
reducción
hielo)
incrementó
semanas
entre
A
razón
generalmente
pobres,
importancia
ambientales
pronosticados
XX1,
recomendamos
siguiente
conservación
efectiva
MMA:
mantener
mejorar
co-manejo
socios
locales,
federales
e
internacionales;
reconocer
variabilidad
espacial
respuesta
sub-poblaciones
climático;
implementar
monitoreo
programas
objetivos
claros;
mitigar
impactos
acumulativos
incremento
actividad
humana;
límites
legislación
actual
especies
protegidas.
The
world's
disproportionately
threatened
compared
terrestrial
counterparts
(Schipper
et
al.
2008),
11
arctic
particularly
vulnerable
due
dependence
(Laidre
2008a;
Kovacs
2012;
Reid
&
Laidre
2013).
Some
AMMs
obligates,
meaning
life
history
events
(e.g.,
reproduction,
molting,
resting)
feeding
depend
ice,
whereas
others
use
but
do
not
it
completely
2008a).
By
mean
that
occur
north
Circle
(66°
33′
N)
most
year
ecosystem
aspects
selected
seasonally
inhabit
waters
may
live
outside
part
year.
include
3
cetaceans
(narwhal
[Monodon
monoceros],
beluga
[Delphinapterus
leucas],
bowhead
[Balaena
mysticetus]
whales);
7
pinnipeds
(ringed
[Pusa
hispida],
bearded
[Erignathus
barbatus],
spotted
[Phoca
largha],
ribbon
[Histriophoca
fasciata],
harp
[Pagophilus
groenlandicus],
hooded
[Cystophora
cristata]
seals
walrus
[Odobenus
rosmarus]);
polar
bear
(Ursus
maritimus).
Throughout
much
range,
these
animals
important
cultural
nutritional
resources
indigenous
nonindigenous
peoples.
Recent
reviews
outline
vulnerabilities
2011).
Warming
over
past
decades
has
about
2
times
greater
than
global
(IPCC
rate
loss
faster
predicted
models
(Stroeve
2012),
projections
suggest
an
ice-free
2040
(Overland
Wang
Even
if
greenhouse
gases,
primary
driver
limited
immediately,
likely
continue
several
Therefore,
appears
continued
unprecedented
habitats
inevitable.
reviewed
what
known
population
abundance,
or
stock.
evaluated
richness
across
quantified
use.
assessed
provide
first
comparative
measure
change.
Based
our
findings,
make
recommendations
conservation
relative
gaps,
forecasts,
anthropogenic
activities,
complex
social,
economic,
political
context
rapidly
warming
Arctic.
compiled
estimates
published
unpublished
sources.
Subpopulations
included
those
management
bodies
advisory
groups
such
as
International
Whaling
Commission
(IWC),
North
Atlantic
Marine
Mammal
(NAMMCO),
Union
Conservation
Nature
(IUCN)
specialist
groups.
Trends
associated
time
frames
reported
authors
noted.
delineated
regions,
modified
slightly
Flora
Fauna
(CAFF)
Circumpolar
Biodiversity
Monitoring
Plan
(CAFF
2011)
(Fig.
1).
central
Basin
was
excluded
paucity
data.
calculated
number
per
region
determining
whether
had
legal
commercial
harvest.
Habitat
1979–2013
daily
concentration
satellites
(Supporting
Information).
date
given
when
area
fell
below
specific
threshold,
rose
above
same
threshold.
used
region-specific
threshold
halfway
March
September
areas
baseline
decade
(1982–1991)
characterize
biologically
transitions
winter
conditions.
highest
Baffin
Bay,
Davis
Strait,
Sea;
lowest
Okhotsk
Beaufort
Sea.
availability
quality
here
through
2015
widely
(Table
1
Fig.
2).
many
cases,
knowledge
consisted
single
point
estimate
large
uncertainty
based
expert
opinion
without
formal
bias.
For
cetaceans,
5
19
0
narwhal
4
subpopulations.
Abundance
ringed
seal
outdated,
some
small
surveyed
repeatedly
seals.
areas;
however,
represented
only
portion
discreteness
subpopulations
uncertain.
Trend
suggested
increased,
stable
declined.
bears,
14,
although
out
uncertainty.
Current
10
derived
projection
untested
assumptions
Evaluation
complicated
unknown
structure
partial
surveys
seasonal
aggregations.
High
survey
methods,
surveys,
levels
precision
made
summary
difficult.
Nonetheless,
35%
78
identified
found
taken
nations
Norway
(including
Svalbard).
review
subspecies,
(n
=
61)
regularly
76%
(74%
belugas,
91%
narwhals,
50%
whales),
including
stocks
which
whales
captured
aquaria
(White
Sea).
Approximately
80%
pinniped
walruses
subsistence,
purposes
Norway,
Canada,
Russia
(harp
[Table
1]).
Kara
Laptev
where
illegal
harvest
occurs.
Large
occurred
nearly
habitats.
Eleven
showed
statistically
significant
toward
earlier
retreat,
later
advance,
and,
consequently,
longer
summers
3,
Supporting
Only
trend.
effect
34-year
season
2013
1979.
largest
20
this
period.
sensitive
choice
they
defined
Information)
typically
fall.
negatively
correlated
Climate
widespread
ecological
(Rosenzweig
2008;
Gilg
Post
2013),
yet
its
effects
relatively
underreported
despite
abiotic
exceed
temperate,
tropical,
montane
biomes
(ACIA
2005).
quantitative
evidence
negative
ice-obligate
(Stirling
1999;
Regehr
2007;
Øigard
2010,
2013;
2010).
species-
subpopulation-specific
responses
vary
space,
evidenced
delayed
even
positive
(Moore
2006;
Quakenbush
2011;
Stirling
Rode
2014;
George
2015).
Variability
can
arise
differences
exploitation
histories,
strategies,
biological
productivity,
trophic
interactions.
Such
heterogeneity
respect
systems,
tend
be
more
rich
(Moritz
Agudo
Assessing
mammal
populations
difficult
wide
distributions
cryptic
behavior
compounded
logistical
challenges
surveying
remote
areas.
understanding
identifying
priorities,
absent
3),
lack
will
limit
utility
future
assessments.
Although
expected
lower
carrying
capacity
ice-dependent
species,
currently
recovering
[George
2015],
sport
hunting
[Schliebe
2006])
previously
insufficiently
managed
prior
2000
West
Greenland
[Witting
Born
2013]).
short
term,
recovery
previous
overexploitation
could
mask
reductions
loss.
addition,
productivity
could,
period,
offset
potential
result
transient
term
increases
(Quakenbush
St
Lawrence
Estuary
Cook
Inlet
beluga)
show
cessation
harvesting
(Wade
2012).
modern
world,
rare
wild
mammals,
particular
top
predators,
support
well-being
communities,
do.
subspecies
hunted
commercially.
Thus,
intertwined
renewable
resource.
responsibility
resides
federal
state
government
agencies
partners
representing
communities.
Many
under
regional,
national,
agreements
share
decision-making
power
framework
harvests
supported
national
laws
U.S.
Protection
Act,
Nunavut
Land
Claims
Agreement).
comprehensive
list,
examples
Alaska
Native
working
United
States
Beluga
Committee,
Eskimo
Commission,
Walrus
Nanuuq
Ice
Seal
Committee.
Inuvialuit
Fisheries
Joint
Management
Committee;
Wildlife
Boards
Nunavut,
Nunavik,
Nunatsiavut;
Polar
Bear
Administrative
Chukotka
(Russia),
Associations
Hunters
(KNAPK)
Association
Traditional
Chukotka,
respectively,
cooperate
agencies.
Furthermore,
Greenland,
carried
local
composed
mainly
ethnic
Inuit.
highly
mobile
undertake
movements,
resulting
half
1)
ranging
regional
boundaries,
quantify
movement
poor.
transboundary
requires
collaboration.
Currently,
bears
joint
commissions
Canada
Greenland;
Russia)
information
shared
Inupiat-Inuvialuit
Agreement
Canadian
Technical
Committee
(also
Greenland).
Scientific
narwhals
though
Canada–Greenland
Narwhal-Beluga
NAMMCO.
receive
advice
NAMMCO,
catch
Russia,
States,
set
IWC.
Advice
coordinated
Council
Exploration
Seas
Organization.
It
well
established
declining
every
month
monthly
areal
capture
timing
annual
influence
feeding,
AMMs.
therefore
This
meaningful
approach
other
metrics
appropriate
1979-2013,
17
days/decade
25
consistent
findings
Stammerjohn
(2012),
who
methods
similar
ours,
Stroeve
(2014),
detection
liquid
water
surface
snow
obtain
melt
onset
freezing
regions.
addition
extent,
thickness
decreased
substantially
(Schweiger
Continuation
induce
(Notz
2009)
possibly
weather
anomalies
warm
strong
storm)
impact
thin
correlation
transition
2)
manifestation
ice-albedo
feedback,
extra
heat
absorbed
ocean
during
early
must
released
into
atmosphere
before
begin
form.
direct
indirect
comprehensively
(2008a)
(2011).
Loss
affected
survival
(Regehr
Pinniped
pup
related
breakup
young
need
sufficient
suckling
weaning
(Øigard
2010;
Absence
Pacific
calf
crushing
at
crowded
haul-out
sites
(Jay
Physical
properties,
roughness
depth
(which
decreasing
[Webster
2014]),
suitability
lairs
(Furgal
1996;
Iacozza
Ferguson
2014).
Timing
linked
accessibility
foraging
production
bloom
ultimately
influences
(Carmack
Wassmann
2006).
Indirect
consequences
overlap
new
predators
competitors.
Finally,
both
ability
humans
access
them
fraction
takes
place
near
edge
affecting
abate
immediate
future.
At
present,
there
agreement
reduce
emissions
gasses,
unabated
versus
aggressive
mitigation
scenarios
substantively
diverge
until
least
years
fixed
regardless
efforts
greenhouse-gas
emissions.
reduction
solution
mitigating
long-term
warming,
scientists,
managers,
conservationists,
industry,
communities
dependent
prepare
deal
Accordingly,
conservation.
Maintaining
increasing
governmental
entities
key
component
face
climate-induced
viability
(see
"Human
Use"
section).
culture
people
throughout
(Born
Comanagement
directly
involve
resource
vested
interest
it.
They
lead
community
participation
minimizing
human–polar
conflicts),
collection
traditional
knowledge,
compliance
restrictions,
identification
science
priorities
opportunities
scientific
sampling.
Arctic,
activities
benefits
prohibitively
expensive
otherwise
infeasible
involvement.
Future
require
balancing
needs
declines
There
scientifically
incremental
balance
social
If
loss,
responsible
percentage
[Runge
2009;
2015])
hold
unlikely
accelerate
environmentally
driven
declines.
either
updated
periodically
conservative
levels.
precautionary
warranted
populations,
whereby
increasingly
risk-averse
applied
decline
size
resilience.
Given
fast
pace
how
respond,
flexible
adaptive
critical.
articulation
goals
targets.
users
managers
reducing
human-caused
disturbance
removals,
harvests,
one
mechanisms
(but
necessarily
offset)
Species
exhibit
variable
space
(Post
2009,
Moritz
variation
characteristics
ice),
species'
move
favorable
habitats,
phenotypic
behavioral
plasticity,
genetic
traits
bolster
managing
scales
2012)
should
incorporated
predictive
plans.
contrasting
climate.
Chukchi
southern
rates
2),
body
condition
reproductive
parameters
historic
values
region,
declined
(Rode
Samples
subsistence-harvested
northern
2000s
indicate
vital
better
1960s
1970s
2011),
1992
2011
(Harwood
seals,
observed
attributed
productivity.
whale
shown
growth
concurrent
Both
Bering-Chukchi-Beaufort
(BCB)
low
whaling
>3%/year,
theoretical
maximum
(Wiig
Givens
time,
BCB
improved
1989
(George
2015),
extensive
productive
Though
showing
recent
changes,
forecasts
next
50–100
(Wang
Overland
serious
threats
Models
forecast
century
Amstrup
Udevitz
2013)
inform
prescribe
term.
Part
challenge
broad
resolutions
frames.
Pitfalls
making
decisions
coarse-resolution
missed
opportunities,
sustainable
latter
risk
alienating
stakeholders
compromising
efforts.
that,
possible,
consider
risks
coarse
fine
scales.
monitored
determine
scale.
Measuring
trend,
indicator
status,
demographic
analysis
reproduction
survival),
elusive
distribution
AMMs,
acquiring
realistic;
thus,
develop
samples
provides
opportunity,
collaboration
suite
age
maturity,
pregnancy
rate,
condition,
pollution,
contaminant
loads)
serve
broader
indicators.
Other
feasible
monitor
sensing
observation
Gulland
analyzed
together
regular
areas,
reasonable
strategy.
Long-term
provided
foundation
Western
Hudson
Bay
Southern
[Stirling
2010])
conjunction
hunters,
amounts
cost.
Successful
Department
Fish
Game's
Bio-monitoring
Program
Slope
Borough's
sampling
program
Harvest
biosampling
successfully
conducted
Canada.
plans
drafted
whales,
2008b;
Simpkins
Vongraven
2014),
systematically
implemented.
factors
insufficient
funding,
organization
will,
awareness
plans,
absence
major
economic
incentives
cooperation
biodiversity
often
projects
span
agency
interests
authority.
rigorous,
any
work
outlined
plan
while
concurrently
performing
focused
necessary
meet
needs.
With
physical
barrier
interchange
disappearing
(Heide-Jørgensen
complicates
emphasizes
analyses.
On
level,
moving
Assessment
CAFF
Program.
range
states
preparing
action
auspices
1973
Bears.
An
example
successful
Ocean
Antarctic