chapt13_lecture
... An example is re-establishing Bermuda’s national bird, the Bermuda cahow. Bird was thought to be extinct due to human hunting and predation by hogs, cats, rats. In 1951, 18 nesting pairs were discovered. Protection program begun on Nonsuch Island, which involved removing invasive species, reintroduc ...
... An example is re-establishing Bermuda’s national bird, the Bermuda cahow. Bird was thought to be extinct due to human hunting and predation by hogs, cats, rats. In 1951, 18 nesting pairs were discovered. Protection program begun on Nonsuch Island, which involved removing invasive species, reintroduc ...
What should Parties do by 14 Sept. 2014: Sustainability
... actual exports and whenever they determine that the export should be limited, in order to maintain the species throughout its range at a level consistent with its role in the ecosystems and well above the level at which it might qualify inclusion in Appendix I, advise the CITES Management Authority ...
... actual exports and whenever they determine that the export should be limited, in order to maintain the species throughout its range at a level consistent with its role in the ecosystems and well above the level at which it might qualify inclusion in Appendix I, advise the CITES Management Authority ...
ISB Environmental Science Population Sampling Techniques
... Follow through with your census by choosing where on the map to take samples using each sampling method until your budget runs out. Click on the “stats” button to see the estimated population size and the standard deviation for each method. When all sampling budgets have been exhausted, click the “n ...
... Follow through with your census by choosing where on the map to take samples using each sampling method until your budget runs out. Click on the “stats” button to see the estimated population size and the standard deviation for each method. When all sampling budgets have been exhausted, click the “n ...
Freshwater biodiversity a hidden resource under threat factsheet EN
... There are an estimated 27,400 freshwater species of fish, molluscs, crabs, dragonflies and plants; these are the groups that IUCN and Conservation International decided to assess in their entirety as part of their Global Freshwater Biodiversity Assessment. Of these, only 6,000 species have been asse ...
... There are an estimated 27,400 freshwater species of fish, molluscs, crabs, dragonflies and plants; these are the groups that IUCN and Conservation International decided to assess in their entirety as part of their Global Freshwater Biodiversity Assessment. Of these, only 6,000 species have been asse ...
Pest Bird Management Policy
... The issue is further complicated by the perception that some listed threatened species can sometimes act as pests. For example, Baudin's Black-Cockatoo can have an economic impact on agricultural businesses in south-western Western Australia. Illegal culling exacerbates the threatened status of the ...
... The issue is further complicated by the perception that some listed threatened species can sometimes act as pests. For example, Baudin's Black-Cockatoo can have an economic impact on agricultural businesses in south-western Western Australia. Illegal culling exacerbates the threatened status of the ...
Hawaii`s Native Bees - Nalo Meli Maoli
... absent from the family Colletidae, to which Hylaeus belongs – except for the Hawaiian bees, where a group of five related species have developed this lifestyle. They are important pollinators of many of the most important trees and shrubs of Hawai‘i – ‘ōhi‘a lehua (Metrosideros polymorpha) and ‘ōlap ...
... absent from the family Colletidae, to which Hylaeus belongs – except for the Hawaiian bees, where a group of five related species have developed this lifestyle. They are important pollinators of many of the most important trees and shrubs of Hawai‘i – ‘ōhi‘a lehua (Metrosideros polymorpha) and ‘ōlap ...
File
... •Speciation is the name given to the process where two new species are formed from one original species ...
... •Speciation is the name given to the process where two new species are formed from one original species ...
Your Alien Dodecahedron
... yet, invasive species are plants, animals, or other living organisms that are not native to a particular ecosystem and cause economic harm, environmental damage, or pose a threat to human health. Invasive species can seriously damage native species and entire ecosystems, and cost an about $138 billi ...
... yet, invasive species are plants, animals, or other living organisms that are not native to a particular ecosystem and cause economic harm, environmental damage, or pose a threat to human health. Invasive species can seriously damage native species and entire ecosystems, and cost an about $138 billi ...
Communities, Succession, Biomes
... BIOLOGY 403: PRINCIPLES OF ECOLOGY (Communities, Succession, Biomes) ...
... BIOLOGY 403: PRINCIPLES OF ECOLOGY (Communities, Succession, Biomes) ...
Restoring Perennial Plants
... Type of material used for coating seeds may influence effectiveness. Responsiveness to pelleting might be species-specific, based on a species’ seed size and germination ecology. As a result, pelleting and other treatments (such as seeding onto mulched soil surfaces) aimed at increasing seeding effe ...
... Type of material used for coating seeds may influence effectiveness. Responsiveness to pelleting might be species-specific, based on a species’ seed size and germination ecology. As a result, pelleting and other treatments (such as seeding onto mulched soil surfaces) aimed at increasing seeding effe ...
Community Dynamics
... All species arriving on an unoccupied site can survive. Thus, the initial community composition is simply a function of who gets there first. Species that appear later simply arrived later or arrived early but grew more slowly. Late arriving species tolerate the presence of early species and grow de ...
... All species arriving on an unoccupied site can survive. Thus, the initial community composition is simply a function of who gets there first. Species that appear later simply arrived later or arrived early but grew more slowly. Late arriving species tolerate the presence of early species and grow de ...
Similarities and Differences among Living Organisms (3)
... considered the "fittest", why do other animals in the wild? we still have so many variations among species. Why do some • 2. Can you think of any real-‐life birds have very long pointy examples ...
... considered the "fittest", why do other animals in the wild? we still have so many variations among species. Why do some • 2. Can you think of any real-‐life birds have very long pointy examples ...
3. Assisted Natural Regeneration
... o Thin – where two seedlings or saplings are close to each other, remove the one that is smaller, less healthy, or of less desirable species. When a tree stump has several sprouts, remove all but the 1-3 largest. o Transplant – Make use of planting materials from thinning operations. If thinning tak ...
... o Thin – where two seedlings or saplings are close to each other, remove the one that is smaller, less healthy, or of less desirable species. When a tree stump has several sprouts, remove all but the 1-3 largest. o Transplant – Make use of planting materials from thinning operations. If thinning tak ...
Human Impact
... fatty acids of animals that ate the plants. As this toxin passes up the food chain, it accumulates (high concentration). This process is called biological magnification. DDT was hurting the bald eagle pops by making the egg shells weak (no new offspring). ...
... fatty acids of animals that ate the plants. As this toxin passes up the food chain, it accumulates (high concentration). This process is called biological magnification. DDT was hurting the bald eagle pops by making the egg shells weak (no new offspring). ...
species a
... Observational studies Manipulation is not always possible J.M. Diamond 1975 Inferred competition resulted in the distributional patterns he observed for dove species ...
... Observational studies Manipulation is not always possible J.M. Diamond 1975 Inferred competition resulted in the distributional patterns he observed for dove species ...
Latest records of introduced invertebrates in Galapagos and
... shows the increase in the number of species recorded in the last few years. However, some of the species reported during 2005 and 2006 arrived in Galapagos at an earlier date; 69% of the new species recorded were collected in Galapagos from 1960 to 2004, but were first identified in 2005 and 2006. T ...
... shows the increase in the number of species recorded in the last few years. However, some of the species reported during 2005 and 2006 arrived in Galapagos at an earlier date; 69% of the new species recorded were collected in Galapagos from 1960 to 2004, but were first identified in 2005 and 2006. T ...
sc-10-3-1-powerpoint
... individuals with advantages are better able to reproduce and pass along their traits. Those with unfavourable characteristics have less chance to reproduce and pass along A salmon with a large tail may be able their traits. to swim faster and farther. A salmon with a smaller tail may never have ...
... individuals with advantages are better able to reproduce and pass along their traits. Those with unfavourable characteristics have less chance to reproduce and pass along A salmon with a large tail may be able their traits. to swim faster and farther. A salmon with a smaller tail may never have ...
species richness - Green Resistance
... growing season? Stress with extremes? • In aquatic environments: change in species richness with depth strongly similar to terrestrial gradient with altitude ...
... growing season? Stress with extremes? • In aquatic environments: change in species richness with depth strongly similar to terrestrial gradient with altitude ...
Competition
... Types of Competition • Interference competition - Competition with direct interactions between individuals • may involve contests or fights over food • may involve physical obstruction (getting in another individual’s way) • winner often individual that gets to resource first • resource doesn ...
... Types of Competition • Interference competition - Competition with direct interactions between individuals • may involve contests or fights over food • may involve physical obstruction (getting in another individual’s way) • winner often individual that gets to resource first • resource doesn ...
1.1 Safety in the Science Classroom
... A warmer climate and lack of forest fires allows the insects to spread much more effectively than in the past. Not only are the trees affected, but so is the entire forest ecosystem, as well as any human industries relying on the forest. See page 117 ...
... A warmer climate and lack of forest fires allows the insects to spread much more effectively than in the past. Not only are the trees affected, but so is the entire forest ecosystem, as well as any human industries relying on the forest. See page 117 ...
Island restoration
The ecological restoration of islands, or island restoration, is the application of the principles of ecological restoration to islands and island groups. Islands, due to their isolation, are home to many of the world's endemic species, as well as important breeding grounds for seabirds and some marine mammals. Their ecosystems are also very vulnerable to human disturbance and particularly to introduced species, due to their small size. Island groups such as New Zealand and Hawaii have undergone substantial extinctions and losses of habitat. Since the 1950s several organisations and government agencies around the world have worked to restore islands to their original states; New Zealand has used them to hold natural populations of species that would otherwise be unable to survive in the wild. The principal components of island restoration are the removal of introduced species and the reintroduction of native species.