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Ecology Unit Notes Components of ecosystems Producers
Ecology Unit Notes Components of ecosystems Producers

...  Intraspecific competition – competition for limited ecological resources between members of the same species.  Interspecific competition – competition for limited ecological resources between members of different species.  Competitive exclusion principle – states that no two species can occupy t ...
11-15-2010 APES 08 PP Population Ecology
11-15-2010 APES 08 PP Population Ecology

population
population

... Indirect Competition ...
2012 chapter5
2012 chapter5

... • Low (large individuals like elephants, blue whales) • High (small individuals like bacteria, insects) ...
Slide 1 - life.illinois.edu.
Slide 1 - life.illinois.edu.

... 3. Understand 2 ways humans alter interactions ...
Ecology
Ecology

... Exponential Growth- under ideal conditions (food, shelter, light, etc.) most species can grow at exponential rate. Logistic Growth – most populations do not live under ideal conditions therefore they do not grow exponentially. Factors that limit growth are known as density dependent factors (food, s ...
Ecology Test - cloudfront.net
Ecology Test - cloudfront.net

... Definitions: 1. Ecology 2. Population 3. Community 4. Ecosystem 5. Biome 6. Biosphere ...
Catalyst 8/15/2011
Catalyst 8/15/2011

... Lower population growth rate (r) Population size fairly stable and usually close to carrying ...
Section 4.1 Population Dynamics pg.91
Section 4.1 Population Dynamics pg.91

... Ex. Introducing organisms into a controlled environment with abundant resources; observe how the organisms react How fast do populations grow? Starts out slowly then increases rapidly; resembles a J shape on a chart of population growth Starts out small because the number of individuals reproducing ...
Exam 2 Study guide Part 2 Putting it all together: Ecology and
Exam 2 Study guide Part 2 Putting it all together: Ecology and

... Transplant successful - distribution limited because of dispersal problems inaccessible, not enough time to reach area, not recognized as suitable living space transplant unsuccessful - distribution limited by biotic or abiotic factors, I.e., for some reason cannot survive there. Invasive species In ...
Community “structure”
Community “structure”

... All species that interact over a spatial scale that includes the lifetime range of the widest ranging species and the temporal scale of the longest-lived species ...
Adaptations & Organismal Interactions
Adaptations & Organismal Interactions

... Types of Mimicry • 1. Batesian mimicry: mimic species resemble an unplatable or venomous species (the model) • 2. Mullerian mimicry: all mimic species have similar warning coloration. All mimics are usually toxic or harmful and function as both model and mimic. ...
Primary succession is
Primary succession is

... hunts for insects only in: a particular section of the tree. As a result, competition among the three species is reduced. ...
Chapter 48 Populations and Communities
Chapter 48 Populations and Communities

... As a result, parasitism often affects large, concentrated population more than small, scattered ones. It is to the parasite’s advantage not to be too deadly. ...
An ecosystem is made up of the living community and its nonliving
An ecosystem is made up of the living community and its nonliving

... and interact in the same area. When resources are plentiful, a population generally grows. An environmental factor that causes the population to decrease is called a limiting factor. Food, water, space, and weather conditions are examples of limiting factors. The carrying capacity of an area is the ...
Intensive surveys
Intensive surveys

... Surveys may be either extensive or intensive. Extensive surveys aim to discover what species are present in an area, usually with a measure of relative abundance, and are especially used where the water quality over many sites is being monitored or compared. Such surveys have been criticized, or eve ...
Community Ecology
Community Ecology

... If niche overlap is not complete, then the two species may be able to coexist by resource partitioning. Beak size differences among Darwin’s finches on the Galapagos permit multiple species to coexist on islands by feeding on seeds of differing size. The partitioning of space (and differences in t ...
49deluxe
49deluxe

... Keystone predators are those that have an exceptionally great impact on all the other surrounding species. ...
Do penguins play leap-frog? Niche partitioning in Adélie and
Do penguins play leap-frog? Niche partitioning in Adélie and

... same fundamental niche will display niche partitioning in areas of overlap to reduce competition. Sympatrically breeding congeneric seabirds commonly display allochrony (differences in timing of breeding) and this, in combination with phase-dependant variability in foraging trip duration, can lead t ...
Everglades plant community invasibility and facilitation of invasion
Everglades plant community invasibility and facilitation of invasion

... species, is an ecosystem property that emerges from the strength of interactions among species in the ecosystem and between species and the abiotic environment. W.M. Lonsdale (1999) proposed that the number of exotic species in a region (E) is a product of the number of exotic species introduced (I) ...
Chapter 18 NOTES - schallesbiology
Chapter 18 NOTES - schallesbiology

... Growth-limiting factors • the availability of food and water • invasion of parasites, pathogens or disease • over-crowding (increasing competition for food, water and space) • severe or sudden climatic changes • pollution of air, soil and water These things are “environmental resistance” to populati ...
Environmental Science
Environmental Science

... A niche is more than a habitat, it is also what the organism does within its habitat ...
Ch 56 Notes
Ch 56 Notes

... found that the snakes ate the same food (frogs mostly), lived in the same area, reproduced at the same time of year, and looked very much alike. He finally discovered that one species of snake ate at night, whereas the other fed during the day. What principle of community ecology, was he looking for ...
CP-Bio Ch. 27 (Populations)
CP-Bio Ch. 27 (Populations)

... 2) Parasitism- a parasite usually harms its host but does not kill it, why? 3) Disease- disease limits population size by eliminating susceptible individuals 4) Competition- between different species(interspecific) or between members of the same species(intraspecific) ...
Unit 10: Classification
Unit 10: Classification

... - Ecology is the study of the interactions among ______________________, and between _____________________ and their _______________________.  An __________________ is an individual living thing, such as an alligator.  A ___________________ is a group of the _________________________ that lives in ...
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Storage effect

The storage effect is a coexistence mechanism proposed in the ecological theory of species coexistence, which tries to explain how such a wide variety of similar species are able to coexist within the same ecological community or guild. The storage effect was originally proposed in the 1980s to explain coexistence in diverse communities of coral reef fish, however it has since been generalized to cover a variety of ecological communities. The theory proposes one way for multiple species to coexist: in a changing environment, no species can be the best under all conditions. Instead, each species must have a unique response to varying environmental conditions, and a way of buffering against the effects of bad years. The storage effect gets its name because each population ""stores"" the gains in good years or microhabitats (patches) to help it survive population losses in bad years or patches. One strength of this theory is that, unlike most coexistence mechanisms, the storage effect can be measured and quantified, with units of per-capita growth rate (offspring per adult per generation).The storage effect can be caused by both temporal and spatial variation. The temporal storage effect (often referred to as simply ""the storage effect"") occurs when species benefit from changes in year-to-year environmental patterns, while the spatial storage effect occurs when species benefit from variation in microhabitats across a landscape.
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