An Overview of Hangul (Cervus elaphus hanglu
... stage is presently surviving only under the moist temperate forests of Kashmir region. Most of its population is concentrated in the world famous Dachigam National Park which covers an area of 141 square kilometers and is located on foothills of Zabarwan range among the high mountains of the mighty ...
... stage is presently surviving only under the moist temperate forests of Kashmir region. Most of its population is concentrated in the world famous Dachigam National Park which covers an area of 141 square kilometers and is located on foothills of Zabarwan range among the high mountains of the mighty ...
Taking species abundance distributions beyond
... outcome of rules governing how species partition resources (Motomura 1932; MacArthur 1957, 1960; Sugihara 1980; Tokeshi 1990, 1999; Marquet et al. 2003). For this characterization to be valid, it is necessary to assume that individuals across species are comparable in their body-size and resource us ...
... outcome of rules governing how species partition resources (Motomura 1932; MacArthur 1957, 1960; Sugihara 1980; Tokeshi 1990, 1999; Marquet et al. 2003). For this characterization to be valid, it is necessary to assume that individuals across species are comparable in their body-size and resource us ...
What enables coexistence in plant communities? Weak versus
... communities, where space is an important resource. Using a stochastic cellular automaton simulation model we analyze – separately and in combination – the influence of different species traits and processes which alter local competition on the coexistence of plant species over a fixed time horizon. We ...
... communities, where space is an important resource. Using a stochastic cellular automaton simulation model we analyze – separately and in combination – the influence of different species traits and processes which alter local competition on the coexistence of plant species over a fixed time horizon. We ...
Limiting similarity, species packing, and the shape of
... in ways that need not follow the MacArthur-May assumptions, including interference competition and apparent competition. A crucial insight from the new work, which considers competition kernels of general shape, is that this shape can have a decisive influence on species clustering (see Fig. 1 for an ...
... in ways that need not follow the MacArthur-May assumptions, including interference competition and apparent competition. A crucial insight from the new work, which considers competition kernels of general shape, is that this shape can have a decisive influence on species clustering (see Fig. 1 for an ...
PDF
... Despite these expectations, no study to date has supported the hypothesis of a clear spatial local avoidance of jaguars by pumas [31–35]. In a few cases, usually in which radio-tracking on a limited number of individuals sharing space was carried out, very small differences, almost anecdotal, in (ma ...
... Despite these expectations, no study to date has supported the hypothesis of a clear spatial local avoidance of jaguars by pumas [31–35]. In a few cases, usually in which radio-tracking on a limited number of individuals sharing space was carried out, very small differences, almost anecdotal, in (ma ...
Beluga, Cook Inlet population - Alaska Center for Conservation
... action scores denote greater information needs due of lack of knowledge or conservation action. Action scores range from -40 (lower needs) to 40 (greater needs). Management Needs (-10 to 10) ...
... action scores denote greater information needs due of lack of knowledge or conservation action. Action scores range from -40 (lower needs) to 40 (greater needs). Management Needs (-10 to 10) ...
Biogeography and the structure of coral reef fish communities on
... speciation (MacArthur & Wilson, 1963, 1967). Dispersal ability affects colonization (Diamond et al., 1976), while rates of extinction and in situ speciation are influenced by an island’s isolation, size, age and environmental stability (MacArthur & Wilson, 1963, 1967; Whittaker, 1998). The amount an ...
... speciation (MacArthur & Wilson, 1963, 1967). Dispersal ability affects colonization (Diamond et al., 1976), while rates of extinction and in situ speciation are influenced by an island’s isolation, size, age and environmental stability (MacArthur & Wilson, 1963, 1967; Whittaker, 1998). The amount an ...
Preston and Johnson 2010
... With some notable exceptions (e.g., tapeworms), parasites also tend to be very small. It may be easy to assume then, that since parasites are generally inconspicuous, they play less important roles in community ecology than free-living organisms. Yet advances in the field of disease ecology have rev ...
... With some notable exceptions (e.g., tapeworms), parasites also tend to be very small. It may be easy to assume then, that since parasites are generally inconspicuous, they play less important roles in community ecology than free-living organisms. Yet advances in the field of disease ecology have rev ...
A mini review on theories and measures of interspecific associations
... Different form animals, plants usually disseminate their seeds through gravity, wind, and some animals as insects in order to reproduce themselves. Therefore their interspecific associations are distinct from animals. Researchers always detect the whole interspecific associations of all species with ...
... Different form animals, plants usually disseminate their seeds through gravity, wind, and some animals as insects in order to reproduce themselves. Therefore their interspecific associations are distinct from animals. Researchers always detect the whole interspecific associations of all species with ...
Centipede, Giant (S)
... centipedes have a lifespan of about 1-3 years, while others may have up to 5-6 years (Animal Diversity, 2004). An introduction of species such as mongooses and snakes in the inhabitant countries (e.g. Trinidad), can cause the population of wild centipedes to decrease. However, by application of pest ...
... centipedes have a lifespan of about 1-3 years, while others may have up to 5-6 years (Animal Diversity, 2004). An introduction of species such as mongooses and snakes in the inhabitant countries (e.g. Trinidad), can cause the population of wild centipedes to decrease. However, by application of pest ...
Wolf Interactions with Other Species
... full suite of carnivore species found in the variety of habitats occupied. How different carnivore species interact with wolves varies depending on habitat, environmental conditions and other factors. A 2003 literature review found examples where wolves were reported to have eliminated certain carni ...
... full suite of carnivore species found in the variety of habitats occupied. How different carnivore species interact with wolves varies depending on habitat, environmental conditions and other factors. A 2003 literature review found examples where wolves were reported to have eliminated certain carni ...
Molecular basis for the deficiency in humans of gulonolactone
... the alteration of the human GLO gene, we attempted to isolate both the rat and human GLO genes. Screening of partial EcoRI- and HaeIII-cut rat ge- ...
... the alteration of the human GLO gene, we attempted to isolate both the rat and human GLO genes. Screening of partial EcoRI- and HaeIII-cut rat ge- ...
EOC notecard review - week of 03.14.16.notebook
... SB4: Students will assess the dependence of all organisms on one another and the flow of energy and matter within their ecosystem. The tropical rain forest is found near the equator. It has abundant rainfall, stays very humid and experiences an average summer temperature of 25oC. Many exotic ...
... SB4: Students will assess the dependence of all organisms on one another and the flow of energy and matter within their ecosystem. The tropical rain forest is found near the equator. It has abundant rainfall, stays very humid and experiences an average summer temperature of 25oC. Many exotic ...
Evidence for overlooked mechanisms of long‐distance seed
... have to obtain food from a wider range of sources, a phenomenon known as ‘niche expansion’ (Wright, 1980). This has been reported for several species of gulls on both islands (e.g. Gilham, 1952; Nogales et al., 2001; Calviño-Cancela & Martı́n-Herrero, 2009) and continents (e.g. Ridley, 1930; Morton ...
... have to obtain food from a wider range of sources, a phenomenon known as ‘niche expansion’ (Wright, 1980). This has been reported for several species of gulls on both islands (e.g. Gilham, 1952; Nogales et al., 2001; Calviño-Cancela & Martı́n-Herrero, 2009) and continents (e.g. Ridley, 1930; Morton ...
Competition, predation and species responses to environmental
... medium. We weighed each sample on an electronic scale to determine its exact volume, and counted the number of each protist in the sample under a Nikon SMZ-U dissecting microscope. We replaced 10% of the medium in each microcosm with fresh medium every week to replenish nutrients and prevent metabol ...
... medium. We weighed each sample on an electronic scale to determine its exact volume, and counted the number of each protist in the sample under a Nikon SMZ-U dissecting microscope. We replaced 10% of the medium in each microcosm with fresh medium every week to replenish nutrients and prevent metabol ...
Three selected ecological observations interpreted in
... them. As a consequence, we may find a large number of non-universal tentative generalisations in biology and ecology. Biology and ecology are more complex than physics, and it will, therefore, be much more difficult to develop an applicable, predictive ecological theory. Testing explanatory hypothes ...
... them. As a consequence, we may find a large number of non-universal tentative generalisations in biology and ecology. Biology and ecology are more complex than physics, and it will, therefore, be much more difficult to develop an applicable, predictive ecological theory. Testing explanatory hypothes ...
Common Name: COOSAWATTEE CRAYFISH Scientific Name
... are probably able to reproduce by the end of that year. They molt once or twice a year for the remainder of their lives and live about 3 years. Male Coosawattee crayfish in reproductive condition have been collected in April, June, September, and October and females carrying eggs were found in April ...
... are probably able to reproduce by the end of that year. They molt once or twice a year for the remainder of their lives and live about 3 years. Male Coosawattee crayfish in reproductive condition have been collected in April, June, September, and October and females carrying eggs were found in April ...
COMMENTARY On the Diversity of Nature and the Nature of Diversity
... acres in the Fish and Wildlife Service refuge system; the 3.5 million acres preserved by the Nature Conservancy and its cooperators in the past four decades; the U.S.Agency for International Development's consideration of environmental impact in planning its programs; and a House Science Committee r ...
... acres in the Fish and Wildlife Service refuge system; the 3.5 million acres preserved by the Nature Conservancy and its cooperators in the past four decades; the U.S.Agency for International Development's consideration of environmental impact in planning its programs; and a House Science Committee r ...
Afrika Tag 2013 - Abstracts Veranstalter: Dr. Thomas Wagner
... living along these streams. Population ecology analyses on representatives of these river gallery forests (as the Kenya-endemic Hindes Babbler, Turdoides hindei) in combination with detailed land-use mapping give information on (i) potential changes from the past, intact and interconnected into high ...
... living along these streams. Population ecology analyses on representatives of these river gallery forests (as the Kenya-endemic Hindes Babbler, Turdoides hindei) in combination with detailed land-use mapping give information on (i) potential changes from the past, intact and interconnected into high ...
Predation model predictions
... Have so far assumed the predator numerical response βV (per capita growth rate of predators as function of prey abundance) is a linear function of prey abundance ...
... Have so far assumed the predator numerical response βV (per capita growth rate of predators as function of prey abundance) is a linear function of prey abundance ...
How do ecologists select and use indicator species
... Indicator species (IS) are used to monitor environmental changes, assess the efficacy of management, and provide warning signals for impending ecological shifts. Though widely adopted in recent years by ecologists, conservation biologists, and environmental practitioners, the use of IS has been criti ...
... Indicator species (IS) are used to monitor environmental changes, assess the efficacy of management, and provide warning signals for impending ecological shifts. Though widely adopted in recent years by ecologists, conservation biologists, and environmental practitioners, the use of IS has been criti ...
Weighting and indirect effects identify keystone species in food webs
... studies show that secondary extinctions can occur even when a species is more than one trophic link away from the primary extinction. Recent studies that used a static structural approach showed that direct and indirect indices provide quite different rankings of node importance in networks (Scotti ...
... studies show that secondary extinctions can occur even when a species is more than one trophic link away from the primary extinction. Recent studies that used a static structural approach showed that direct and indirect indices provide quite different rankings of node importance in networks (Scotti ...