Biodiversity Review Sheet
What does Wildlife Manganement Areas need cooperation from?
University, GO's tax, NGO, ecotourism
Greenpeace
-NGO -species based approach
EPA
-US Environmental Protection Agency -GO -habitat based approach
conservation examples
-USDA forest service -WMA's
UN
-United Nations -IGO -habitat based approach
When to use Species Diversity Index
-when comparing 2 SIMILAR ecosystems -comparing the human impact or impact over time of two ecosystems
levels of risk of extinction
1) endangered 2)vulnerable 3) rare 4) indeterminante (numbers of animals are unknown)
keystone species
A species that influences the survival of many other species in an ecosystem
Why should we conserve biodiversity?
direct services & indirect services
species
diversity among species in an ecosystem
habitat
diversity of a habitat in a given unit area
FAO
-Food and Agriculture Organization -IGO -habitat based approach
IUCN
-International Union for Conservation of Nature -IGO -species based approach
Nature Conservancy
-NGO -habitat based approach
WRI
-World Resource Institute -NGO -habitat based approach
habitat based approach cons
-creates areas of isolation -still lose biodiversity due to isolation and fragmentation
vulnerable ecosystem
-refers to how susceptible an eocosystem is to stress determined by: 1)location 2)biodiversity 3)number of linkages in food web
IGO
International Governmental Organization
IUCN stands for
International Union for Conservation of Nature
NGO
non-governmental organization
what are tectonic plates?
sections into which the earth's crust is broken
habitat based approach pros
set aside large areas & land for preservation/ conservation
What are flagship, umbrella and keystone species used in?
species based approach
species richness v.s. species evenness
species richness- # of species in a community species evenness-
genetic
vast numbers of different species as well as diversity within a species
WCS
World Conservation Society (WCS) -NGO -habitat based approach
is it best to have lots of small areas or one big area?
-larger reserves are better than smaller ones
GO
U.S. Governmental organization
Components of biodiversity
genetic, species, habitat
resilienct ecosystem
refers to how quickly an ecosystem can restore after a stress or a natural disaster
approaches to conservation
species based, habitat based
Biodiversity
the variety of life in the world or in a particular habitat or ecosystem.
NOAA
-National Oceanic and Atmospheric Administration -GO -habitat based approach
CITES
-Convention on International Trade in Endangered Species -IGO -species based approach
preservation examples
-National parks -Refugees
UNDP
-United Nations Development Program -IGO -habitat based approach
UNEP
-United Nations Environment Program -IGO -habitat based approach
WWF - species or habitat based?
-World Wildlife Fund -NGO -species based approach
Conservation vs. Preservation
-conservation: is when some areas would be preserved while others would be developed for the common good (management of sustainability) -preservation: a complete preservation of an area of land (hands-off)
vulnerable species are...
-organisms in small areas; islands, top of mountain ranges -specialized organisms -organisms high on trophic levels
Species-based approach to conservation
1) CITES (convention on illegal trade of endangered species) 2) captive breeding and zoo's 3) Botanical garden & seed banks 4) Using flagship species (charismatic species) 5) keystone species (acts as an umbrella species) Ex: salmon in Sammamish
habitat-based approach to conservation
1) Strict Nature preserve/ wilderness area 2) National Park (ecosystem preservation + recreation) 3) National Monument (has special features) 4) Habitat/Species management area 5) protected landscape/seascape 6) Managed Forests (ex: national forests)
What human impacts are causing species to go extinct or endangered?
1) overexploitation +poaching 2) habitat destruction 3) introduced species 4) pollution
what are things to consider when designating a protected are?
1) size of area 2) many small areas or one large area 3) # of endangered species that must be protected 4) should areas be connected or separated from each other (review circles chart)
Why has biodiversity occurred?
1) tectonic plates shift which forms Pangea 2) Pangea seperates into separate continents known as Gondwanaland 3) organisms had one common ancestor from Pangea and since it separated, they formed into different species- known as geographic isolation 4) the organisms with the most special qualities survived the longest due to survival of the fittest and adapting to environmental pressures 5) all these different organisms formed biodiversity
What does the Species Diversity Indiex tell us?
S.D.I is important to conservation efforts so that areas of high biodiversity can beidentified, explored and conservation can be improved
flagship species
a species selected as an ambassador, icon or symbol for a habitat and environmental caise
Why are some organisms more prone to extinction than others?
because they are more vulnerable
shapes of protected areas
circular reserves have less circumferences and fewer edge effects
what causes isolation ?
environmental changes such as mountain formation, changes in rivers, sea level change, climate change or plate movements
indirect services to conserving biodiversity
environmental services, education + science value, biological control, gene pool, future potential, human health, human rights, recreation, ecotourism, ethical, self-preservation
direct services to conserving biodiversity
food (animal, plants, fungus, dairy, fish, honey) & natural products (rope-hemp. linen-Hax, beeswax candles, soy)
species based approach cons
immense cost to save one type of species; there needs to be an emphasis on species that can raise the most funds
species based approach pros
in preserving one species you automatically preserve others
umbrella species
its protection means a wide range of other species will also be protected
What is the relationship between humans and number of species extinct?
the more humans we have, the more energy we are taking, the graph is exponential
IUCN-Red List
they rank organisms by levels of risk of extinction
biodiversity hotspots- what are they are where are they located?
typically around the equator