Types of biodiversity Genetic biodiversity Human factors affecting biodiversity CHANGE
CLIMATE
-
·
pollution-noise, air or water
species biodiversity -
species richness (no. determines how easily a
species can
adapt DEFORESTATION
- pollution can hill
species or
-
a w
ree
of species in an areal or species evenness (no. to environmental changes habitat destruction/habitat fragmentation
·
affect their ability to reproduce
of organisms in each species) FACTORS AFFECTING GENETIC BODIVERSITY permanent removal
of forest to provide wood, eutrophication -
hills marine
m e
a
n
e e
nraa
en
ers
embiodiversity-variety of alleles present, gedrift-random change of allele frequency
reduces species diversity if one species is
species
more alleles:
higher genetic biodiversity ↳ decreases biodiversity targeted ·
acid rain -
Pacidity of water t
↓ good sources soo animal species who
Bodiversity-no. of habitats in gene flow-alleles transferred betweenpopulations damages so rests
·
an
I
area by interbreeding -
biodiversity
increases must
migrate for good ·changing weather could affect
mutations increases
biodiversity AGRICULTURE future biodiversity
Sampling animals
-
-
-
artificial selection-decreases biodiversity -
alleles for overharvesting exploitingprofitable
+ ·
ocean temperatures verophytes -
- -
random-equal likelihood of being unwantedcharacteristics depleting may struggle
chosen, lost to adapt
are species resources
-
e n
grid to select random coordinates
genetic bottlenech when large numbers of the population growing I demand to land
·
uses a -
pop.
-
-
die before to
oppoistic whatever is available
reproducing a biodiversity grow food
Reasons to maintain
-
-
ratiletriated population split into sub ser
effect when a
few individuals of a
species monoculture biodiversity a
- - -
categories and randomly selected colonise a new area-small colony: small variety of ·selection of
highest yield species biodiversity
systematic -
specific areas identified then alleles -
A biodiversity ↑ genetic
·
Techniques to & good production ·
aesthetic-protecting
-
natural
randomly selected MEASURING GENETIC
nea
a nre re a r n e
BIODIVERSITY e biodiversity -
mechanisation larger machines
-
beauty - nice areas to live in
sampling has like human choice genes (have allele) food-scares off species
can
polymorphic more than one for more ·economic -d soil erosion,
-
tourism,
lead to over or underestimation of proportion of polymorphic:number of polymorphic - gene Loci ↳>
removing hedgerows too-loss of sustainability, floss of
economically
gene loci total number
of loci habitat
populations valuable species, medicines for
SAMPLING TECHNIQUES Biodiversity using pesticides herbicides
-
the future
Sampling plants
we
a
e rree
poter-chamber with a lidt 2 destroys pest species food Sources ·ecological good chains pollination
-
Conservation
-
Lubes, muslin to pointquadrats
-
-
frame placed in ↳
heystone species - loss of them
agreements
-
prevent inhalation habitat and pins dropped in has a large impact on
biodiversity
↳
only use for ↳ count what is touching each #IT in a natural habitat
-
small in sects needle International Union for the Conservation ·
wildlife reserves -
controlled
menene n e a re we a r
e ne
sweep net-walk through grass same quadrats area subdivided &tre grazing, reducing poaching, calling,
-
-
- -
hedgetuse net to capture into equal parts, place frame quadrat make Red List which details reintroduction of species
or a a a
every year
organisms -
List net to prevent and count what is in each square the current conservation status
of threatened marine conservation zones
w
a
n erae
ere
-
escape ↳ used to measure abundance distribution + animals restriction of access, controlled
Pitfall traps-used
-
to collect more quadrats more
=
reliable Convention of International Trade in Endangered
·
fishing
beetles etc. ABUNDANCEEQUATION Species (CITES) regulates trade of wild plants
-
EXSITU-removed from natural
e n
habitat
↳ don't
leave for estimated no. in no.
=
-
of individuals in sample and animals protects over 35,000 species
- ·
balgas-
time due of sample The Rio Convention contain plants / 1500
a
long population area
nea
a nre r
rare
topossibility of Earth Summit
involving 172 nations worldwide that house 10% of
·convention Biological the worlds
drowning Simpsons index of biodiversity
on Diversity -
requires species
Treebeating
-
- catch what falls countries to be more sustainable ensuring the Zs employ captive breeding
-
in a net after shaking a tree
D1 5() maintenance of
biodiversity programmes increase in global
-
-
=
Kich sampling-scrape feet ·UN Framework Convention on Climate Change t
populations but doesn't
mean they
-
along floor catch N total no.
=
of organisms present convention to combat desertification help to stabilise are suitable to release into the wild
what is released n total
=
no. of organisms of each
greenhouse gas emissions and prevents transformation ·seed banks -
seed from a
nee
of fertile wide variety of plants
↳
eg. larvae t species 0 (D <1 landinto desert are
fish hiding in rocks O =
no
biodiversity Countryside Stewardship Scheme/Environmental stored cold to preserve for the
Iullgrensmel-light attracts 1 infinite biodiversity
=
gerdsmen
an future-dried frozen but not
bugs which fall into trap and LOW
-
BIODIVERSITY focuses on
sustaining the
beauty diversity of the all survive
die ·
few species with
very specific landscape by improving, extending creating + habitats -tion-protection of
Lincoln Index-capture, mark, adaptations restore neglected land biodiversity
-
release, recapture n number =
·simple food webs aim to
improve opportunities for countryside -
sustainability -
avoidance of
were
estimated n, x
he countedin ·
hugely affected by small changes enjoyment the depletion of batural resources
population
3
each capture to environment
CLIMATE
-
·
pollution-noise, air or water
species biodiversity -
species richness (no. determines how easily a
species can
adapt DEFORESTATION
- pollution can hill
species or
-
a w
ree
of species in an areal or species evenness (no. to environmental changes habitat destruction/habitat fragmentation
·
affect their ability to reproduce
of organisms in each species) FACTORS AFFECTING GENETIC BODIVERSITY permanent removal
of forest to provide wood, eutrophication -
hills marine
m e
a
n
e e
nraa
en
ers
embiodiversity-variety of alleles present, gedrift-random change of allele frequency
reduces species diversity if one species is
species
more alleles:
higher genetic biodiversity ↳ decreases biodiversity targeted ·
acid rain -
Pacidity of water t
↓ good sources soo animal species who
Bodiversity-no. of habitats in gene flow-alleles transferred betweenpopulations damages so rests
·
an
I
area by interbreeding -
biodiversity
increases must
migrate for good ·changing weather could affect
mutations increases
biodiversity AGRICULTURE future biodiversity
Sampling animals
-
-
-
artificial selection-decreases biodiversity -
alleles for overharvesting exploitingprofitable
+ ·
ocean temperatures verophytes -
- -
random-equal likelihood of being unwantedcharacteristics depleting may struggle
chosen, lost to adapt
are species resources
-
e n
grid to select random coordinates
genetic bottlenech when large numbers of the population growing I demand to land
·
uses a -
pop.
-
-
die before to
oppoistic whatever is available
reproducing a biodiversity grow food
Reasons to maintain
-
-
ratiletriated population split into sub ser
effect when a
few individuals of a
species monoculture biodiversity a
- - -
categories and randomly selected colonise a new area-small colony: small variety of ·selection of
highest yield species biodiversity
systematic -
specific areas identified then alleles -
A biodiversity ↑ genetic
·
Techniques to & good production ·
aesthetic-protecting
-
natural
randomly selected MEASURING GENETIC
nea
a nre re a r n e
BIODIVERSITY e biodiversity -
mechanisation larger machines
-
beauty - nice areas to live in
sampling has like human choice genes (have allele) food-scares off species
can
polymorphic more than one for more ·economic -d soil erosion,
-
tourism,
lead to over or underestimation of proportion of polymorphic:number of polymorphic - gene Loci ↳>
removing hedgerows too-loss of sustainability, floss of
economically
gene loci total number
of loci habitat
populations valuable species, medicines for
SAMPLING TECHNIQUES Biodiversity using pesticides herbicides
-
the future
Sampling plants
we
a
e rree
poter-chamber with a lidt 2 destroys pest species food Sources ·ecological good chains pollination
-
Conservation
-
Lubes, muslin to pointquadrats
-
-
frame placed in ↳
heystone species - loss of them
agreements
-
prevent inhalation habitat and pins dropped in has a large impact on
biodiversity
↳
only use for ↳ count what is touching each #IT in a natural habitat
-
small in sects needle International Union for the Conservation ·
wildlife reserves -
controlled
menene n e a re we a r
e ne
sweep net-walk through grass same quadrats area subdivided &tre grazing, reducing poaching, calling,
-
-
- -
hedgetuse net to capture into equal parts, place frame quadrat make Red List which details reintroduction of species
or a a a
every year
organisms -
List net to prevent and count what is in each square the current conservation status
of threatened marine conservation zones
w
a
n erae
ere
-
escape ↳ used to measure abundance distribution + animals restriction of access, controlled
Pitfall traps-used
-
to collect more quadrats more
=
reliable Convention of International Trade in Endangered
·
fishing
beetles etc. ABUNDANCEEQUATION Species (CITES) regulates trade of wild plants
-
EXSITU-removed from natural
e n
habitat
↳ don't
leave for estimated no. in no.
=
-
of individuals in sample and animals protects over 35,000 species
- ·
balgas-
time due of sample The Rio Convention contain plants / 1500
a
long population area
nea
a nre r
rare
topossibility of Earth Summit
involving 172 nations worldwide that house 10% of
·convention Biological the worlds
drowning Simpsons index of biodiversity
on Diversity -
requires species
Treebeating
-
- catch what falls countries to be more sustainable ensuring the Zs employ captive breeding
-
in a net after shaking a tree
D1 5() maintenance of
biodiversity programmes increase in global
-
-
=
Kich sampling-scrape feet ·UN Framework Convention on Climate Change t
populations but doesn't
mean they
-
along floor catch N total no.
=
of organisms present convention to combat desertification help to stabilise are suitable to release into the wild
what is released n total
=
no. of organisms of each
greenhouse gas emissions and prevents transformation ·seed banks -
seed from a
nee
of fertile wide variety of plants
↳
eg. larvae t species 0 (D <1 landinto desert are
fish hiding in rocks O =
no
biodiversity Countryside Stewardship Scheme/Environmental stored cold to preserve for the
Iullgrensmel-light attracts 1 infinite biodiversity
=
gerdsmen
an future-dried frozen but not
bugs which fall into trap and LOW
-
BIODIVERSITY focuses on
sustaining the
beauty diversity of the all survive
die ·
few species with
very specific landscape by improving, extending creating + habitats -tion-protection of
Lincoln Index-capture, mark, adaptations restore neglected land biodiversity
-
release, recapture n number =
·simple food webs aim to
improve opportunities for countryside -
sustainability -
avoidance of
were
estimated n, x
he countedin ·
hugely affected by small changes enjoyment the depletion of batural resources
population
3
each capture to environment
