Chapter 3 Environment: The Science behind the Stories 4th Edition
... - Extremely good at what they do - But vulnerable when conditions change • Generalists = species with broad niches - They use a wide array of habitats and resources - They can live in many different places © 2011 Pearson Education, Inc. ...
... - Extremely good at what they do - But vulnerable when conditions change • Generalists = species with broad niches - They use a wide array of habitats and resources - They can live in many different places © 2011 Pearson Education, Inc. ...
this overview as a PDF file
... within the camera (which is then collected by the researcher at a later date), or sent to a remote storage device via a cable or the internet. Like our eyes, cameras need light to function, so data are only recorded when there is light for the camera to "see". Humans then review the imagery and extr ...
... within the camera (which is then collected by the researcher at a later date), or sent to a remote storage device via a cable or the internet. Like our eyes, cameras need light to function, so data are only recorded when there is light for the camera to "see". Humans then review the imagery and extr ...
A model of discrete Kolmogorov-type competitive interaction in a two
... competitive two-species “toy” model of an ecosystem such that both the species occupy the same trophic level. We use numerical experiments with an aim to describe and understand some possible characteristic features of the emergence of dynamical regimes and hence of complexity in the evolving ecosys ...
... competitive two-species “toy” model of an ecosystem such that both the species occupy the same trophic level. We use numerical experiments with an aim to describe and understand some possible characteristic features of the emergence of dynamical regimes and hence of complexity in the evolving ecosys ...
Carrying capacity reconsidered
... spatial variability of the environment, pointing out that for any given species some places are more propitious than others, with local populations based in these patches expanding into marginal territory when conditions are favorable, shrinking back when conditions are hostile, sometimes going exti ...
... spatial variability of the environment, pointing out that for any given species some places are more propitious than others, with local populations based in these patches expanding into marginal territory when conditions are favorable, shrinking back when conditions are hostile, sometimes going exti ...
full ICES overview assessment of non
... After its introduction to Europe, it was assumed that natural spatfall of C. gigas would not occur in higher latitudes (such as Britain, Netherlands and Germany) as the waters would be too cold for reproduction. However, this species has ICES Advice 2009 Book 1 ...
... After its introduction to Europe, it was assumed that natural spatfall of C. gigas would not occur in higher latitudes (such as Britain, Netherlands and Germany) as the waters would be too cold for reproduction. However, this species has ICES Advice 2009 Book 1 ...
Robert MacArthur - National Academy of Sciences
... first (1955) was the proposal of a way to measure community stability taken from information theory, formalizing for the first time a concept that, until then, could only be expressed through verbal description. Soon afterward (1957) came the celebrated "broken-stick" model of the relative abundance ...
... first (1955) was the proposal of a way to measure community stability taken from information theory, formalizing for the first time a concept that, until then, could only be expressed through verbal description. Soon afterward (1957) came the celebrated "broken-stick" model of the relative abundance ...
community assembly and structure of tropical leaf
... states are utilized. Fixed resource categories such as morphometric parameters that represent unique species-specific features were defined as “hard zeros”, representing resource categories that cannot ever be used by a particular species, regardless of whether species interactions are important, an ...
... states are utilized. Fixed resource categories such as morphometric parameters that represent unique species-specific features were defined as “hard zeros”, representing resource categories that cannot ever be used by a particular species, regardless of whether species interactions are important, an ...
Competition among plants
... What is competition? Competition is ubiquitous in its influence on plants. It is rare to find a plant which has not been affected negatively by neighboring plants. While there has been much study of competition between individuals and populations, the role of competition in nature is still a mystery ...
... What is competition? Competition is ubiquitous in its influence on plants. It is rare to find a plant which has not been affected negatively by neighboring plants. While there has been much study of competition between individuals and populations, the role of competition in nature is still a mystery ...
Population and Growth Patterns
... Ecological factors limit population growth. Many factors affect the carrying capacity of an environment for a population. The factor that has the greatest effect on limiting population growth is called the limiting factor. For example, if a lack of space is the biggest factor limiting population gro ...
... Ecological factors limit population growth. Many factors affect the carrying capacity of an environment for a population. The factor that has the greatest effect on limiting population growth is called the limiting factor. For example, if a lack of space is the biggest factor limiting population gro ...
The importance of motivation, weapons, and foul odors in driving
... Abstract. Encounter competition is interference competition in which animals directly contend for resources. Ecological theory predicts the trait that determines the resource holding potential (RHP), and hence the winner of encounter competition, is most often body size or mass. The difficulties of ...
... Abstract. Encounter competition is interference competition in which animals directly contend for resources. Ecological theory predicts the trait that determines the resource holding potential (RHP), and hence the winner of encounter competition, is most often body size or mass. The difficulties of ...
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... acidification without correcting carbonates and bicarbonates) or ecologically realistic (e.g. single species cultures) conditions. This makes any realistic prediction difficult. For this reason, in this review, we will focus on the impact of OA on early life-history from experiments using realistic ...
... acidification without correcting carbonates and bicarbonates) or ecologically realistic (e.g. single species cultures) conditions. This makes any realistic prediction difficult. For this reason, in this review, we will focus on the impact of OA on early life-history from experiments using realistic ...
Henderson_2013_POTRSB_Direct
... population abundance and found that the majority showed evidence of density-dependence. This result held across a wide range of taxa. The likelihood of detecting density-dependence increased with the length of the time series as populations for which there are long-term datasets are most likely to s ...
... population abundance and found that the majority showed evidence of density-dependence. This result held across a wide range of taxa. The likelihood of detecting density-dependence increased with the length of the time series as populations for which there are long-term datasets are most likely to s ...
Carrying Capacity, Exponential Growth, and Resource Wars
... warning system.” — Norman Cousins natural and other resources and, thus, lower carrying capacity and quality of life. ...
... warning system.” — Norman Cousins natural and other resources and, thus, lower carrying capacity and quality of life. ...
Niche and fitness differences relate the maintenance of diversity to
... of each population’s growth rate. The Si, unlike the raw growth rates, are dimensionless. The lack of units facilitates comparison not only between competitors but also between species in different ecosystems or experimental communities. We limit the scope of ...
... of each population’s growth rate. The Si, unlike the raw growth rates, are dimensionless. The lack of units facilitates comparison not only between competitors but also between species in different ecosystems or experimental communities. We limit the scope of ...
Section 2 notes
... An interaction in which one animal (the herbivore) feeds on producers (such as plants) is called herbivory. Herbivores, like a ring-tailed lemur, can affect both the size and distribution of plant populations in a community and determine the places that certain plants can survive and grow. For examp ...
... An interaction in which one animal (the herbivore) feeds on producers (such as plants) is called herbivory. Herbivores, like a ring-tailed lemur, can affect both the size and distribution of plant populations in a community and determine the places that certain plants can survive and grow. For examp ...
pop-ecology - WordPress.com
... • Balance of nature and a climax community • Current view • Ever-changing mosaic of patches of vegetation • Mature late-successional ecosystems • State of continual disturbance and change ...
... • Balance of nature and a climax community • Current view • Ever-changing mosaic of patches of vegetation • Mature late-successional ecosystems • State of continual disturbance and change ...
28.3 What Are The Effects Of Predator–Prey Interactions?
... easiest to eat, thereby leaving behind individuals with better defenses against predation, which in turn survive longer and leave more offspring. • The interacting web of life that forms a community tends to maintain a balance between resources and the number of individuals consuming them. • This ba ...
... easiest to eat, thereby leaving behind individuals with better defenses against predation, which in turn survive longer and leave more offspring. • The interacting web of life that forms a community tends to maintain a balance between resources and the number of individuals consuming them. • This ba ...
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... Yellowstone National Park. For the first decade, the wolf population grows exponentially. Then, the population growth slows. The new pattern is known as ___ ...
... Yellowstone National Park. For the first decade, the wolf population grows exponentially. Then, the population growth slows. The new pattern is known as ___ ...
Understanding Populations
... into Yellowstone National Park. For the first decade, the wolf population grows exponentially. Then, the population growth slows. The new pattern is known as ___ ...
... into Yellowstone National Park. For the first decade, the wolf population grows exponentially. Then, the population growth slows. The new pattern is known as ___ ...
Mathematical Challenges in Spatial Ecology, Volume 48, Number 11
... tested the model in freshwater algae, for which silicate is the limiting resource, and in grasslands in Minnesota, where nitrogen is the major limiting resource. The Lotka-Volterra competition model, discussed in detail below, incorporates the observed reduction in the growth rates of two competing ...
... tested the model in freshwater algae, for which silicate is the limiting resource, and in grasslands in Minnesota, where nitrogen is the major limiting resource. The Lotka-Volterra competition model, discussed in detail below, incorporates the observed reduction in the growth rates of two competing ...
pptx
... Species “able to persist indefinitely together are deemed to ‘coexist’…” “If some mechanism promotes the coexistence of two or more species, each species must be able to increase when it is rare and the others are at their typical abundances; this invasibility criterion is fundamental evidence for s ...
... Species “able to persist indefinitely together are deemed to ‘coexist’…” “If some mechanism promotes the coexistence of two or more species, each species must be able to increase when it is rare and the others are at their typical abundances; this invasibility criterion is fundamental evidence for s ...