Chapter 6 Notes
... APES Chapter 6: Population and Community Ecology Population Characteristics: Write a definition for each term. 1. Population size: ...
... APES Chapter 6: Population and Community Ecology Population Characteristics: Write a definition for each term. 1. Population size: ...
Name
... 12C: Analyze the flow of matter and energy through trophic levels using various models, including food chains, food webs, and ecological pyramids. 12D: Recognize that long-term survival of species is dependent on changing resource bases that are limited. 12E: Describe the flow of matter through the ...
... 12C: Analyze the flow of matter and energy through trophic levels using various models, including food chains, food webs, and ecological pyramids. 12D: Recognize that long-term survival of species is dependent on changing resource bases that are limited. 12E: Describe the flow of matter through the ...
Ecological Succession - The Consulting Students
... Secondary succession – Begins in areas where a disturbance removes some or all species but the soil remains. Community structure is not static, it is determined over time by succession that takes place as a result of the following: ...
... Secondary succession – Begins in areas where a disturbance removes some or all species but the soil remains. Community structure is not static, it is determined over time by succession that takes place as a result of the following: ...
Primary productivity
... develop on a site previously unoccupied by living organisms. Example: A lava flow creates a new land area that is colonized. The first colonists are termed pioneer species. Secondary Succession - an existing community is disrupted and a new one subsequently develops at the site Climax community ...
... develop on a site previously unoccupied by living organisms. Example: A lava flow creates a new land area that is colonized. The first colonists are termed pioneer species. Secondary Succession - an existing community is disrupted and a new one subsequently develops at the site Climax community ...
status of biodiversity - ENVIS Centre On Avian Ecology
... a site/region with an unusually high number of local endemics = restricted - area species hot spots of high endemicity: most relevant to conserving biodiversity ...
... a site/region with an unusually high number of local endemics = restricted - area species hot spots of high endemicity: most relevant to conserving biodiversity ...
Population Collapses
... result of targeted human action is relatively small. A much larger number have a high probability of becoming extinct in the medium- to long-term future. Several examples are well known. While blue whales (and several other whale species) and African elephants are not extinct, there have been fears ...
... result of targeted human action is relatively small. A much larger number have a high probability of becoming extinct in the medium- to long-term future. Several examples are well known. While blue whales (and several other whale species) and African elephants are not extinct, there have been fears ...
lecture 18 ch 20 coevolution and mutualism
... Two species specialized to perform positive function for each other Trophic: partners complement food/nutrients for each other Defensive: species receive food and/or shelter in return for defending against natural enemies Dispersive: animal vectors move pollen or seeds in return for food rewards Pol ...
... Two species specialized to perform positive function for each other Trophic: partners complement food/nutrients for each other Defensive: species receive food and/or shelter in return for defending against natural enemies Dispersive: animal vectors move pollen or seeds in return for food rewards Pol ...
Invasive species - EEB Home
... introduced into North America and other places around the world. Originally, these birds were introduced by organized groups that wanted to populate the New World with familiar species from home – some of these societies had the goal of trying to introduce all the birds mentioned in Shakespeare’s pl ...
... introduced into North America and other places around the world. Originally, these birds were introduced by organized groups that wanted to populate the New World with familiar species from home – some of these societies had the goal of trying to introduce all the birds mentioned in Shakespeare’s pl ...
ENLARGEMENT OF THE SUEZ CANAL: THE NUMBER OF SHIPS
... requesting, amongst other things, an Environmental Impact Statement (EIS). The signatory governments present at the Rio de Janeiro Convention in 1992 had requested that this type of analysis tool be used to study projects that could have a significant impact on the environment before they are implem ...
... requesting, amongst other things, an Environmental Impact Statement (EIS). The signatory governments present at the Rio de Janeiro Convention in 1992 had requested that this type of analysis tool be used to study projects that could have a significant impact on the environment before they are implem ...
Limiting Resources - Marine Discovery at the University of Arizona
... Are extremely important in marine populations because of the life histories of many marine animals (larval dispersal). Examples where metapopulation dynamics are important include a large barrier reef with nearby smaller reefs; an organism with a widely dispersing larval stage. ...
... Are extremely important in marine populations because of the life histories of many marine animals (larval dispersal). Examples where metapopulation dynamics are important include a large barrier reef with nearby smaller reefs; an organism with a widely dispersing larval stage. ...
Lecture #3 Competition & Niches
... Human Impact Human introduction of non-native species to new environments, where some have become invasive, has pushed many native species towards extinction. These ‘introductions’ have been both accidental and intentional depending on the non-native species in question. ...
... Human Impact Human introduction of non-native species to new environments, where some have become invasive, has pushed many native species towards extinction. These ‘introductions’ have been both accidental and intentional depending on the non-native species in question. ...
5-4 Community Stability PowerPoint
... • A community in equilibrium is generally stable and balanced, with most populations at or around carrying capacity. • Disturbances or changes in the environment can throw a community into disequilibrium. • Severe disturbances can cause permanent changes to a ...
... • A community in equilibrium is generally stable and balanced, with most populations at or around carrying capacity. • Disturbances or changes in the environment can throw a community into disequilibrium. • Severe disturbances can cause permanent changes to a ...
Title: The Effects of Habitat Fragmentation and Habitat Management
... Thesis Director: Dr. Julia Nord Committee: Dr. Thomas Wood, Dr. David Luther ...
... Thesis Director: Dr. Julia Nord Committee: Dr. Thomas Wood, Dr. David Luther ...
GLOSSARY Alien species Species introduced deliberately or
... The use of components of biological diversity in a way and at a rate that does not lead to the long-term decline of biological diversity, thereby maintaining its potential to meet the needs and aspirations of present and future generations (Source: Convention on Biological Diversity). ...
... The use of components of biological diversity in a way and at a rate that does not lead to the long-term decline of biological diversity, thereby maintaining its potential to meet the needs and aspirations of present and future generations (Source: Convention on Biological Diversity). ...
Slide 1
... woody debris, mixed-age stands, gap formation rates, non-channelized streams, Function: local colonization/extinction rates, NPP ...
... woody debris, mixed-age stands, gap formation rates, non-channelized streams, Function: local colonization/extinction rates, NPP ...
Nodes and Corridors
... "have not drawn us into a more thoughtful relationship with our habitat, They have not taught us that land is to be used frugally and with good sense. They have encouraged us to believe that conservation is merely a system of trading environmental write-offs against large protected areas. They more ...
... "have not drawn us into a more thoughtful relationship with our habitat, They have not taught us that land is to be used frugally and with good sense. They have encouraged us to believe that conservation is merely a system of trading environmental write-offs against large protected areas. They more ...
4.2.2-.4 Causes of Extinction
... Rates of extinction are very difficult to estimate, because we don't even know within an order of magnitude how many species there are. Fossil records can reveal the average "lifetimes" of species, or how long different classes of plants and animals generally exist on the earth before going ...
... Rates of extinction are very difficult to estimate, because we don't even know within an order of magnitude how many species there are. Fossil records can reveal the average "lifetimes" of species, or how long different classes of plants and animals generally exist on the earth before going ...
Community Ecology Group Project
... 4. Compare your food web with another group. Which group’s food web did you compare yours with? Is your food web more or less diverse? Explain why food webs with more biodiversity are more resilient than those with few species. Your food web should include: On the butcher paper, write the names of a ...
... 4. Compare your food web with another group. Which group’s food web did you compare yours with? Is your food web more or less diverse? Explain why food webs with more biodiversity are more resilient than those with few species. Your food web should include: On the butcher paper, write the names of a ...
SpeciesInteractions
... A population is the number of a particular species living in a particular area. When a species first moves into an area, e.g. a feral animal or after a big disturbance, its population will usually increase rapidly. However, a time will come when the organism will have outgrown the carrying capacity ...
... A population is the number of a particular species living in a particular area. When a species first moves into an area, e.g. a feral animal or after a big disturbance, its population will usually increase rapidly. However, a time will come when the organism will have outgrown the carrying capacity ...
File
... 3. Based on what we know, prehistoric life forms were mostly _____________________________, but evolved into higher order organism. Background extinction occurs relatively (quickly / slowly), except during ___________ ____________________ where many organism die in a ...
... 3. Based on what we know, prehistoric life forms were mostly _____________________________, but evolved into higher order organism. Background extinction occurs relatively (quickly / slowly), except during ___________ ____________________ where many organism die in a ...
lecture14
... effects of direct competition by using different aspects of their common environment ...
... effects of direct competition by using different aspects of their common environment ...
Introduced species
An introduced, alien, exotic, non-indigenous, or non-native species, or simply an introduction, is a species living outside its native distributional range, which has arrived there by human activity, either deliberate or accidental. Non-native species can have various effects on the local ecosystem. Introduced species that become established and spread beyond the place of introduction are called invasive species. Some have a negative effect on a local ecosystem. Some introduced species may have no negative effect or only minor impact. Some species have been introduced intentionally to combat pests. They are called biocontrols and may be regarded as beneficial as an alternative to pesticides in agriculture for example. In some instances the potential for being beneficial or detrimental in the long run remains unknown. A list of some introduced species is given in a separate article.The effects of introduced species on natural environments have gained much scrutiny from scientists, governments, farmers and others.