Why model species ranges?
... 2. Soil conditions include pH, texture, organic carbon and fertility, but these measures are often difficult to obtain on an appropriate scale, since there can be considerable variation even within an area. 3. In general, it is a good idea to avoid indirect measures of a variable, which is obviously ...
... 2. Soil conditions include pH, texture, organic carbon and fertility, but these measures are often difficult to obtain on an appropriate scale, since there can be considerable variation even within an area. 3. In general, it is a good idea to avoid indirect measures of a variable, which is obviously ...
Proc for pdf making - Invasive Species Specialist Group
... been described as “immense, insidious and usually irreversible” (IUCN 2000). There is no doubt that invasive species can cause severe economic and ecological damage (Mack et al. 2000). They may soon surpass habitat loss as the main cause of ecological disintegration globally (Vitousek et al. 1997, C ...
... been described as “immense, insidious and usually irreversible” (IUCN 2000). There is no doubt that invasive species can cause severe economic and ecological damage (Mack et al. 2000). They may soon surpass habitat loss as the main cause of ecological disintegration globally (Vitousek et al. 1997, C ...
Invasive Species project2012
... natural habitat, and the exotic invader was free to reproduce as fast as it could. The round goby is highly territorial and able to out-compete many native fish, including mottled sculpin and native logperch, causing declines in these populations. This fish is relatively small, growing to an average ...
... natural habitat, and the exotic invader was free to reproduce as fast as it could. The round goby is highly territorial and able to out-compete many native fish, including mottled sculpin and native logperch, causing declines in these populations. This fish is relatively small, growing to an average ...
ecosystem stability
... Nonnative species become invasive if their new surroundings lack natural population checks such as predators or competitors. ...
... Nonnative species become invasive if their new surroundings lack natural population checks such as predators or competitors. ...
1 Biology 413 (Zoogeography) Final Exam Winter Term 2
... rain forest persisted during the last glacial maxima and can be used to explain current patterns of disjunct taxa and speciation. The “new view” is that the Amazon did not exhibit isolated forest refugia during the Pleistocene. Provide one specific line of evidence that supports the new view. (Hint: ...
... rain forest persisted during the last glacial maxima and can be used to explain current patterns of disjunct taxa and speciation. The “new view” is that the Amazon did not exhibit isolated forest refugia during the Pleistocene. Provide one specific line of evidence that supports the new view. (Hint: ...
Chapter 4
... What is the difference between weather & climate? Weather – the day-to-day condition of the Earth’s atmosphere at a particular time & place Climate – the average, year-after-year conditions of temperature & precipitation in a particular region - latitude & topography play a role Microclimate – condi ...
... What is the difference between weather & climate? Weather – the day-to-day condition of the Earth’s atmosphere at a particular time & place Climate – the average, year-after-year conditions of temperature & precipitation in a particular region - latitude & topography play a role Microclimate – condi ...
Sheet 5 : Invasive species
... This animation explains the interaction between climate warming and the invasion of new species. The first section explains how, by creating new climate conditions, climate change can provide a means for insect invasion into previously unaffected areas and help spread diseases these insects convey. ...
... This animation explains the interaction between climate warming and the invasion of new species. The first section explains how, by creating new climate conditions, climate change can provide a means for insect invasion into previously unaffected areas and help spread diseases these insects convey. ...
Missouri`s Least Wanted Wetland Species
... System. The University of Georgia - Center for Invasive Species and Ecosystem Health. Available online at http://www.eddmaps.org/; last accessed January 22, 2016 ...
... System. The University of Georgia - Center for Invasive Species and Ecosystem Health. Available online at http://www.eddmaps.org/; last accessed January 22, 2016 ...
Table of Contents - Milan Area Schools
... result in the loss of half of the species living there. • If the current rate continues, about 1 million species living in the tropical evergreen forests will become extinct in this century. ...
... result in the loss of half of the species living there. • If the current rate continues, about 1 million species living in the tropical evergreen forests will become extinct in this century. ...
CTA-041-Mass Extinction-Earth - The World Federation for Coral
... caused by major asteroid impact; and the wrenching effects of rapid climate change. None of these has really figured in the current biological crisis – not even climate change, which is still only in its early stages. Instead, the extinctions are being driven by the effects of just one single specie ...
... caused by major asteroid impact; and the wrenching effects of rapid climate change. None of these has really figured in the current biological crisis – not even climate change, which is still only in its early stages. Instead, the extinctions are being driven by the effects of just one single specie ...
ecological release - College of Natural Resources
... an island population may occupy a wider range of elevations, more vegetation types, or forage more broadly as compared to the mainland population. However, considerable differences exist between species in their colonization ability and tendency to undergo ecological release. In some groups, ecologi ...
... an island population may occupy a wider range of elevations, more vegetation types, or forage more broadly as compared to the mainland population. However, considerable differences exist between species in their colonization ability and tendency to undergo ecological release. In some groups, ecologi ...
The response of koalas to a changing environment
... Aims and Background: The koala (Phascolarctos cinereus) has suffered population declines due primarily to extensive habitat clearance and fragmentation, and hunting following European settlement of Australia. Climate change is an additional threat that is likely to have significant adverse effects ...
... Aims and Background: The koala (Phascolarctos cinereus) has suffered population declines due primarily to extensive habitat clearance and fragmentation, and hunting following European settlement of Australia. Climate change is an additional threat that is likely to have significant adverse effects ...
Small River Communities - North Carolina Wildlife Resources
... reproduction and cause feminization of mussels and fish. Aquatic species are particularly sensitive to temperature cues and recent research has shown that many species of freshwater mussels may already be living at the upper thermal tolerances of their early life stages (glochidia and juveniles) (Pa ...
... reproduction and cause feminization of mussels and fish. Aquatic species are particularly sensitive to temperature cues and recent research has shown that many species of freshwater mussels may already be living at the upper thermal tolerances of their early life stages (glochidia and juveniles) (Pa ...
Recent range contraction of the endangered Pyrenean desman
... • Most Species Distribution Model (SDM) studies consider climate change alone but other components of global change can contribute to species range shifts • In SDM studies applied to freshwater taxa, the hydrology is frequently overlooked due to the lack of data at large spatial scale but fine resol ...
... • Most Species Distribution Model (SDM) studies consider climate change alone but other components of global change can contribute to species range shifts • In SDM studies applied to freshwater taxa, the hydrology is frequently overlooked due to the lack of data at large spatial scale but fine resol ...
Ecosystems and Communities
... the way the species obtains what it needs to survive and reproduce. ▶ An organism’s niche must contain all of the resources an organism needs to survive. A resource is any necessity of life, such as water, nutrients, light, food, or space. ...
... the way the species obtains what it needs to survive and reproduce. ▶ An organism’s niche must contain all of the resources an organism needs to survive. A resource is any necessity of life, such as water, nutrients, light, food, or space. ...
CRITICAL HABITAT FOR FLORA AND FAUNA IN NEW JERSEY
... threatened species (at the population level) within the overall ecosystem health of those critical life support systems that also includes humans at the community level. Biogeography should be considered when identifying the areas that need to be protected and managed as Critical Habitat. Biogeograp ...
... threatened species (at the population level) within the overall ecosystem health of those critical life support systems that also includes humans at the community level. Biogeography should be considered when identifying the areas that need to be protected and managed as Critical Habitat. Biogeograp ...
Notes
... This type of curve is affiliated with species that produce large numbers of young with the expectation that few of them will make it to maturity. Fish and frogs lay large numbers of eggs with only a small percentage making it to adulthood. Plants often tend to be good examples, producing many seed ...
... This type of curve is affiliated with species that produce large numbers of young with the expectation that few of them will make it to maturity. Fish and frogs lay large numbers of eggs with only a small percentage making it to adulthood. Plants often tend to be good examples, producing many seed ...
Habitats
... Corridors: connections between different areas of the same habitat Feeding areas: places in which wildlife can graze, forge, or hunt ...
... Corridors: connections between different areas of the same habitat Feeding areas: places in which wildlife can graze, forge, or hunt ...
Relating Foraging Behavior to Wildlife Management
... population by increasing fragmentation and isolation of demes Fragments of population are of very small size, so they decline faster, which increases isolation more and speeds decline faster ...
... population by increasing fragmentation and isolation of demes Fragments of population are of very small size, so they decline faster, which increases isolation more and speeds decline faster ...
Invasive Shrimp, Dikerogammarus villosus
... Nature conservation sites: Natural England and the Countryside Council for Wales are leading work to identify high risk nature conservation sites and planning work to implement relevant bio-security at those sites. This work is being done in liaison with the Environment Agency so that surveillance a ...
... Nature conservation sites: Natural England and the Countryside Council for Wales are leading work to identify high risk nature conservation sites and planning work to implement relevant bio-security at those sites. This work is being done in liaison with the Environment Agency so that surveillance a ...
19_Short-comm_ CM_at_al_p
... Publications on climate change-triggered vegetation shifts in the temperate belt are abundant. Studies and analyses deal however mostly with the shift of the thermal (“upper” or “front”) limits of distribution. Migration at the front or forward colonisation is the most visible and illustrative respo ...
... Publications on climate change-triggered vegetation shifts in the temperate belt are abundant. Studies and analyses deal however mostly with the shift of the thermal (“upper” or “front”) limits of distribution. Migration at the front or forward colonisation is the most visible and illustrative respo ...
Relating Foraging Behavior to Wildlife Management
... population by increasing fragmentation and isolation of demes Fragments of population are of very small size, so they decline faster, which increases isolation more and speeds decline faster ...
... population by increasing fragmentation and isolation of demes Fragments of population are of very small size, so they decline faster, which increases isolation more and speeds decline faster ...
Relating Foraging Behavior to Wildlife Management
... Reduction in Effective Population Size – EPS = size of “ideal” population that looses genetic variation at same rate as does real population – Variation is lost at 1/2N% per generation, and replaced at mutation rate per generation--this loss and creation usually balance out – Loss is at > 1/2N% wh ...
... Reduction in Effective Population Size – EPS = size of “ideal” population that looses genetic variation at same rate as does real population – Variation is lost at 1/2N% per generation, and replaced at mutation rate per generation--this loss and creation usually balance out – Loss is at > 1/2N% wh ...
Connectivity between protected areas as an adaptation strategy for
... Connectivity measures are not necessarily beneficial for all species/habitats No guarantee on successfull migration and adaptation of species Impact of connectivity on invasive species Impact of migrating or translocated species on endemic species ...
... Connectivity measures are not necessarily beneficial for all species/habitats No guarantee on successfull migration and adaptation of species Impact of connectivity on invasive species Impact of migrating or translocated species on endemic species ...