Zalophus wollebaeki, Galápagos Sea Lion
... but the higher ages are not confirmed (Reijnders et al. 1993). Galápagos Sea Lions are polygynous and males hold territories mostly along the shoreline in shallow water that they vociferously and aggressively defend. Male tenure on territories usually lasts from a few days to one month. Males may be ...
... but the higher ages are not confirmed (Reijnders et al. 1993). Galápagos Sea Lions are polygynous and males hold territories mostly along the shoreline in shallow water that they vociferously and aggressively defend. Male tenure on territories usually lasts from a few days to one month. Males may be ...
Hixon, M. A., P. W. Pacala, and S. A. Sandin. 2002. Population
... also absent. However, predation in the broadest sense can also cause density dependence. By the 1950s, the idea that demographic density dependence was essential (but not sufficient) for population regulation was well established, and since then, challenges to the general concept have been short liv ...
... also absent. However, predation in the broadest sense can also cause density dependence. By the 1950s, the idea that demographic density dependence was essential (but not sufficient) for population regulation was well established, and since then, challenges to the general concept have been short liv ...
Climate change and species interactions: ways forward
... possible approaches for incorporating biotic interactions into coupled models, most notably using biotic variables as additional environmental predictors during niche modeling versus incorporating biotic interactions during latter simulations of demography and dispersal. A major challenge to distrib ...
... possible approaches for incorporating biotic interactions into coupled models, most notably using biotic variables as additional environmental predictors during niche modeling versus incorporating biotic interactions during latter simulations of demography and dispersal. A major challenge to distrib ...
Phytoplankton niches, traits and eco
... 1982). Furthermore, a trait-based approach based on resource competition theory mechanistically unites the Grinellian and Eltonian perspectives, because species’ traits determine the conditions under which they can persist in isolation, as well as their impacts on other species in the community. Thi ...
... 1982). Furthermore, a trait-based approach based on resource competition theory mechanistically unites the Grinellian and Eltonian perspectives, because species’ traits determine the conditions under which they can persist in isolation, as well as their impacts on other species in the community. Thi ...
Variation in the outcome of population interactions: bifurcations and
... them. That is, populations can be at, or transit between, different combinations of stable equilibrium densities, and sometimes between different types of interactions. A general model for these dynamics was developed (Hernandez 1998) based on the assumption that the interaction coefficient, αij , be ...
... them. That is, populations can be at, or transit between, different combinations of stable equilibrium densities, and sometimes between different types of interactions. A general model for these dynamics was developed (Hernandez 1998) based on the assumption that the interaction coefficient, αij , be ...
C. E. Timothy Paine – Curriculum Vitae
... interspecific association patterns of all species pairs i and j using the K-function Kij(r) and the nearest neighbor distribution function Dij(r). Second, for those pairs with significant spatial associations, we calculated an index of interspecific spatial association using the results of these two ...
... interspecific association patterns of all species pairs i and j using the K-function Kij(r) and the nearest neighbor distribution function Dij(r). Second, for those pairs with significant spatial associations, we calculated an index of interspecific spatial association using the results of these two ...
Net Primary Productivity - Sonoma Valley High School
... Is survivorship type related to number of offspring produced? ...
... Is survivorship type related to number of offspring produced? ...
Fundamentals of Ecology - University of West Florida
... space, and the interaction of organisms with other living things and their physical environment. This ecology course is intended for non-biology majors who have an interest in nature and their interaction with it. Although it is not a requirement of this course that you took biology or chemistry in ...
... space, and the interaction of organisms with other living things and their physical environment. This ecology course is intended for non-biology majors who have an interest in nature and their interaction with it. Although it is not a requirement of this course that you took biology or chemistry in ...
HighFour Biology Round 4 Category C: Grades 9 – 10 Tuesday
... The primitive streak is a thickening along the future anterior-‐posterior axis on the surface of an early avian or mammalian embryo. It is caused by the piling up of cells as they gath ...
... The primitive streak is a thickening along the future anterior-‐posterior axis on the surface of an early avian or mammalian embryo. It is caused by the piling up of cells as they gath ...
The Population Biology of Invasive Species Ann K. Sakai
... establishment of a viable, self-sustaining, population. There may be little correlation between traits required for initial colonization and traits needed for establishment. Establishment in a natural community may require different traits than those required upon entering into a human-disturbed hab ...
... establishment of a viable, self-sustaining, population. There may be little correlation between traits required for initial colonization and traits needed for establishment. Establishment in a natural community may require different traits than those required upon entering into a human-disturbed hab ...
Apex Predators of Costa Rica - Point Loma Nazarene University
... and retaliatory killing. The decline of these top predators has been associated with loss of biodiversity, trophic cascades of herbivore and plant populations, a decline in mammalian fauna known as the ‘empty forest syndrome’, and ecological meltdowns. Costa Rica is of particular importance for apex ...
... and retaliatory killing. The decline of these top predators has been associated with loss of biodiversity, trophic cascades of herbivore and plant populations, a decline in mammalian fauna known as the ‘empty forest syndrome’, and ecological meltdowns. Costa Rica is of particular importance for apex ...
Research_publications_files/Silvertown et al. 2006
... 1 The Park Grass Experiment, begun in 1856, is the oldest ecological experiment in existence. Its value to science has changed and grown since it was founded to answer agricultural questions. In recent times the experiment has shown inter alia how: plant species richness, biomass and pH are related; ...
... 1 The Park Grass Experiment, begun in 1856, is the oldest ecological experiment in existence. Its value to science has changed and grown since it was founded to answer agricultural questions. In recent times the experiment has shown inter alia how: plant species richness, biomass and pH are related; ...
Biodiversity - HCC Learning Web
... global warming. • Human population pressure is greatest in tropics, and ...
... global warming. • Human population pressure is greatest in tropics, and ...
Positive Interactions of Nonindigenous Species: Invasional
... and prey (Hokkanen and Pimentel 1984, 1989) indicates that at least some introduced species can benefit from interactions with others even if they are not coevolved. In short, it is possible to imagine an invasion model very different from the dominant scenario of biotic resistance. At the most basi ...
... and prey (Hokkanen and Pimentel 1984, 1989) indicates that at least some introduced species can benefit from interactions with others even if they are not coevolved. In short, it is possible to imagine an invasion model very different from the dominant scenario of biotic resistance. At the most basi ...
Positive interactions of nonindigenous species: invasional meltdown?
... and prey (Hokkanen and Pimentel 1984, 1989) indicates that at least some introduced species can benefit from interactions with others even if they are not coevolved. In short, it is possible to imagine an invasion model very different from the dominant scenario of biotic resistance. At the most basi ...
... and prey (Hokkanen and Pimentel 1984, 1989) indicates that at least some introduced species can benefit from interactions with others even if they are not coevolved. In short, it is possible to imagine an invasion model very different from the dominant scenario of biotic resistance. At the most basi ...
Mathematical Modeling, Population Ecology, Population Models
... – you need to get used to this if you are going to be doing research ...
... – you need to get used to this if you are going to be doing research ...
Levin, S. A. 1998. Ecosystems and the biosphere as complex
... matching of life and the conditions for life has inspired views of the earth as a superorganism (Hutton 1788), with a biota and an atmospherethat have coevolved (Lovelock 1972; Margulis and Lovelock 1974). How valid is such a perspective? To some extent, the pleasant coincidence of the conditions fo ...
... matching of life and the conditions for life has inspired views of the earth as a superorganism (Hutton 1788), with a biota and an atmospherethat have coevolved (Lovelock 1972; Margulis and Lovelock 1974). How valid is such a perspective? To some extent, the pleasant coincidence of the conditions fo ...
BIOSC 145-F14 120KB Dec 18 2014 08:57:44 AM
... does this say about population estimation in particular and experimental science in general? What sorts of errors are possible with this method? Is the mark–recapture method appropriate for all organisms? Why or why not? Advantages? Disadvantages? What are other methods that could be used to sample ...
... does this say about population estimation in particular and experimental science in general? What sorts of errors are possible with this method? Is the mark–recapture method appropriate for all organisms? Why or why not? Advantages? Disadvantages? What are other methods that could be used to sample ...
what is ecology pptQ`s
... Temperature influences the activity and growth of organisms. Temperature also determines which type of organisms can live in a lake. Usually, the higher the water temperature, the greater the activity in a lake. However, all aquatic species have a preferred temperature range. If temperatures vary to ...
... Temperature influences the activity and growth of organisms. Temperature also determines which type of organisms can live in a lake. Usually, the higher the water temperature, the greater the activity in a lake. However, all aquatic species have a preferred temperature range. If temperatures vary to ...
