report - DIGITAL.CSIC, el repositorio institucional
... competitor always displaces the inferior competitor when both species co-occur in a site, but the inferior competitor can neither invade nor displace the superior competitor from a site. The inferior competitor, R2, can colonize only sites in which both it and species R1 are absent (the term (1 — R1 ...
... competitor always displaces the inferior competitor when both species co-occur in a site, but the inferior competitor can neither invade nor displace the superior competitor from a site. The inferior competitor, R2, can colonize only sites in which both it and species R1 are absent (the term (1 — R1 ...
Mixed effects of habitat fragmentation on species richness and
... After relaxation, on the other hand, in addition to the number of habitats and the proportion of species in common between the sub-populations, metapopulation processes such as migration rates between patches and environmental and demographic stochasticity will influence the optimal number of patche ...
... After relaxation, on the other hand, in addition to the number of habitats and the proportion of species in common between the sub-populations, metapopulation processes such as migration rates between patches and environmental and demographic stochasticity will influence the optimal number of patche ...
Population Ecology
... • The maximum possible per capita growth rate for a species under optimal conditions ...
... • The maximum possible per capita growth rate for a species under optimal conditions ...
CH 5 Overview Notes
... population density reaches a certain level. These factors operate most strongly when a population is large and dense. – They do not affect small, scattered populations as greatly. ...
... population density reaches a certain level. These factors operate most strongly when a population is large and dense. – They do not affect small, scattered populations as greatly. ...
Coupled Logistic Map for Symbiotic Relations
... earlier models of the symbiotic relation; however, their leading terms coincide with those of the earlier models of mutualism or competition. Eq. (2) has a more restricted set of parameters (a, b). Also, x and y, the population variables of two species constitute a phase plane {(x, y)|0 ≤ x ≤ 1, 0 ≤ ...
... earlier models of the symbiotic relation; however, their leading terms coincide with those of the earlier models of mutualism or competition. Eq. (2) has a more restricted set of parameters (a, b). Also, x and y, the population variables of two species constitute a phase plane {(x, y)|0 ≤ x ≤ 1, 0 ≤ ...
... fungi). While each of the individual physical and biological processes plays a role, ultimately it is the integrated sum of the processes, the environment’s invasibility, that is the local driver of diversity. The primary effect of an environment’s invasibility on local diversity is as a filter of ...
Disentangling the effects of water and nutrients for studying the
... of the nurse species H. stoechas were randomly selected in each of the 28 plots. Half of them were clipped to ground level. All above-ground biomass present within a radius of 20 cm around each removed nurse individual was eliminated from the plots, and we trenched all roots around the edge of the b ...
... of the nurse species H. stoechas were randomly selected in each of the 28 plots. Half of them were clipped to ground level. All above-ground biomass present within a radius of 20 cm around each removed nurse individual was eliminated from the plots, and we trenched all roots around the edge of the b ...
SHALOM: a landscape simulation model for understanding animal
... each has a resource-proportion of 0.5). A patch is the area composed of all adjacent cells sharing a habitat type where the local-scale processes take place. Individuals of a species in one patch (population) interact among themselves independently of individuals in adjacent patches. Dispersal may ...
... each has a resource-proportion of 0.5). A patch is the area composed of all adjacent cells sharing a habitat type where the local-scale processes take place. Individuals of a species in one patch (population) interact among themselves independently of individuals in adjacent patches. Dispersal may ...
Quiz thinking - University of Western Cape
... A group of interacting individuals of a given species that live in a specific geographic area at one time. population A unit made up of a number of spatially separated, extinction-prone local populations (or subpopulations) that are linked by migration. metapopulation A unit that has at least one la ...
... A group of interacting individuals of a given species that live in a specific geographic area at one time. population A unit made up of a number of spatially separated, extinction-prone local populations (or subpopulations) that are linked by migration. metapopulation A unit that has at least one la ...
Intraspecific genetic variation and species coexistence in plant
... those that reduce the mean fitness differences between interacting species, thereby delaying a competitively deterministic winner and promoting long-term coexistence. Stabilizing mechanisms are those that favour species when they become rare and increase intraspecific competition relative to intersp ...
... those that reduce the mean fitness differences between interacting species, thereby delaying a competitively deterministic winner and promoting long-term coexistence. Stabilizing mechanisms are those that favour species when they become rare and increase intraspecific competition relative to intersp ...
Temporal Niche
... guilds of stream insects, competition for food will result in temporal segregation (apparent sequential peak production of six species in an Appalachian stream) ...
... guilds of stream insects, competition for food will result in temporal segregation (apparent sequential peak production of six species in an Appalachian stream) ...
EcologyUnit2-6.24.15
... 3255.2.2 Identify distribution patterns (random, uniform, clumped with groups random) and populations that exhibit each of these patterns. CLE 3255.2.2 Explain population growth patterns and rates. 3255.2.3 Using a population of yeast, duckweed or other suitable species, design and conduct an ex ...
... 3255.2.2 Identify distribution patterns (random, uniform, clumped with groups random) and populations that exhibit each of these patterns. CLE 3255.2.2 Explain population growth patterns and rates. 3255.2.3 Using a population of yeast, duckweed or other suitable species, design and conduct an ex ...
The Evolution of Dilution
... • What species has practiced this trait? • What is the Selfish Herd theory? • How does it affect the population? • What other ways do animals behave due to predation? ...
... • What species has practiced this trait? • What is the Selfish Herd theory? • How does it affect the population? • What other ways do animals behave due to predation? ...
Variability of species` roles in marine communities
... mussels had been perceived as a structurally important species (as they are), their starfish predator would have been regarded as a disturbance preventing development of both mussel beds and the associated community. Surely, Pisaster ochraceus enhances diversity among large sessile species by removi ...
... mussels had been perceived as a structurally important species (as they are), their starfish predator would have been regarded as a disturbance preventing development of both mussel beds and the associated community. Surely, Pisaster ochraceus enhances diversity among large sessile species by removi ...
Competition Within and Between Species of Parasitoid Wasps
... Directly or indirectly, the populations of all species in a habitat associate with one another as a community. The structure of this assemblage, in turn, is shaped by many different factors, such as interactions between climate and topography, and the kinds and amounts of food available. A major inf ...
... Directly or indirectly, the populations of all species in a habitat associate with one another as a community. The structure of this assemblage, in turn, is shaped by many different factors, such as interactions between climate and topography, and the kinds and amounts of food available. A major inf ...
What are some of the factors that limit population growth?
... Determined by: The species itself and the environment (resources available, predation, etc…) ...
... Determined by: The species itself and the environment (resources available, predation, etc…) ...
Biodiversity_ Species Interactions_ and Population Control
... Some Species Feed off Other Species by Living on or inside Them • Parasitism – Parasite is usually much smaller than the host – Parasite rarely kills the host – Parasite-host interaction may lead to coevolution ...
... Some Species Feed off Other Species by Living on or inside Them • Parasitism – Parasite is usually much smaller than the host – Parasite rarely kills the host – Parasite-host interaction may lead to coevolution ...
01 - Science/Biology I: 1(A)
... from a different population is called _________________. 2. A very cold winter has left many deer in a population hungry and sick. By the end of the winter, this population will likely decrease because of _________________. 3. A deer population experiences growth when the rate of reproduction increa ...
... from a different population is called _________________. 2. A very cold winter has left many deer in a population hungry and sick. By the end of the winter, this population will likely decrease because of _________________. 3. A deer population experiences growth when the rate of reproduction increa ...
Strand 4 Concept 2: HEREDITY (Life Science)
... 7. The 3 behavioral interactions organisms use to survive when they interact with other organisms. (3 letters) 8. The 3 symbiotic relationships that can exist between organisms. (3 letters) Shepherd – Code 1. A close living relationship between two different types of organisms where at least one ben ...
... 7. The 3 behavioral interactions organisms use to survive when they interact with other organisms. (3 letters) 8. The 3 symbiotic relationships that can exist between organisms. (3 letters) Shepherd – Code 1. A close living relationship between two different types of organisms where at least one ben ...
A Three-Way Trade-Off Maintains Functional Diversity under
... as mortality goes to 0, for competitors with equal mortality, Psaff predicts the winner of competition at equilibrium, because higher Psaff results in a lower R * . In a compilation of chemostat studies, we found that scaled uptake affinity is a good predictor of the winner in competition at equilib ...
... as mortality goes to 0, for competitors with equal mortality, Psaff predicts the winner of competition at equilibrium, because higher Psaff results in a lower R * . In a compilation of chemostat studies, we found that scaled uptake affinity is a good predictor of the winner in competition at equilib ...
Peterson et al. 2013
... variation (e.g., Tilman 1982). Alternatively, fluctuationdependent mechanisms such as the storage effect rely on covariance between environmental conditions and the strength of competition, allowing intraspecific interactions ...
... variation (e.g., Tilman 1982). Alternatively, fluctuationdependent mechanisms such as the storage effect rely on covariance between environmental conditions and the strength of competition, allowing intraspecific interactions ...
What are ecological communities?
... general trends which may be apparent. What is required are methods to simplify and summarise this raw data. Two ways to analyse ecological data are: Indices: Indices summarise the data into a single number (the index) by combining, and hence simplifying, the information. For example, the number of s ...
... general trends which may be apparent. What is required are methods to simplify and summarise this raw data. Two ways to analyse ecological data are: Indices: Indices summarise the data into a single number (the index) by combining, and hence simplifying, the information. For example, the number of s ...
Populations respond to pressures..
... You might be familiar with the term competitor as meaning an organism that struggles with another to get resources. Scientists who study population growth use the term competitor in another way. Competitors are species with adaptations that allow them to remain at or near their carrying capacity for ...
... You might be familiar with the term competitor as meaning an organism that struggles with another to get resources. Scientists who study population growth use the term competitor in another way. Competitors are species with adaptations that allow them to remain at or near their carrying capacity for ...