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... In the marine environment, there are several examples of individual dominant species that modify the habitat and thereby have strong effects on biodiversity, e.g. sea grasses, kelps, coral reefs and bivalve beds. Mechanisms whereby these habitat-modifying and forming species influence the marine com ...
... In the marine environment, there are several examples of individual dominant species that modify the habitat and thereby have strong effects on biodiversity, e.g. sea grasses, kelps, coral reefs and bivalve beds. Mechanisms whereby these habitat-modifying and forming species influence the marine com ...
Evolution of Predator and Prey Movement into Sink Habitats
... patchy landscape are used to explore the evolution of dispersal into sink habitats. When evolution proceeds at a single trophic level (i.e., either prey or predator disperses), three evolutionary outcomes are observed. If predator-prey dynamics are stable in source habitats, then there is an evoluti ...
... patchy landscape are used to explore the evolution of dispersal into sink habitats. When evolution proceeds at a single trophic level (i.e., either prey or predator disperses), three evolutionary outcomes are observed. If predator-prey dynamics are stable in source habitats, then there is an evoluti ...
Cytotoxic Activity of Antarctic Benthic Organisms - e
... this has propitiated the development of chemicals to avoid predation, competition, and/or fouling avoidance. In particular, Sterechinus neumayeri, a common eurybathic sympatric sea urchin species, can have a negative effect on early recruitment of benthic organisms through grazing. An adaptive respo ...
... this has propitiated the development of chemicals to avoid predation, competition, and/or fouling avoidance. In particular, Sterechinus neumayeri, a common eurybathic sympatric sea urchin species, can have a negative effect on early recruitment of benthic organisms through grazing. An adaptive respo ...
Biodiversity Research
... functions within the system and mutually replace each other? Or does each species play a unique role, making it irreplaceable within the system? Are species-rich communities more productive? Do they fix carbon more effectively and thus slow down climate change? Or are modern high-yield varieties sup ...
... functions within the system and mutually replace each other? Or does each species play a unique role, making it irreplaceable within the system? Are species-rich communities more productive? Do they fix carbon more effectively and thus slow down climate change? Or are modern high-yield varieties sup ...
Meeting the Challenge of Invasive Plants: A Framework for Action
... Hundreds of “non-native” species have been introduced to North America, either purposefully or by accident, through agricultural, horticultural, aquacultural and other trade, or stowed away in packing materials and ballast water. Also referred to as alien, exotic, or non-indigenous, these newcomers ...
... Hundreds of “non-native” species have been introduced to North America, either purposefully or by accident, through agricultural, horticultural, aquacultural and other trade, or stowed away in packing materials and ballast water. Also referred to as alien, exotic, or non-indigenous, these newcomers ...
aquatic and terrestrial habitat selection by - ETH E
... habitat type-specific differences in larval performance clearly showed that the selection of aquatic breeding habitat is a fitness-relevant process. In summary, differential habitat selection is likely evident in all life history stages of amphibians, and most probably facilitates temporal co-existe ...
... habitat type-specific differences in larval performance clearly showed that the selection of aquatic breeding habitat is a fitness-relevant process. In summary, differential habitat selection is likely evident in all life history stages of amphibians, and most probably facilitates temporal co-existe ...
consumer–resource body-size relationships in natural food webs
... mass based on empirical measurements of length [n ¼ 3778]) of 16 863 consumer–resource links in a global data set (Brose et al. 2005b). The body sizes were measured for the individuals engaged in the trophic interactions: sometimes these individuals are adults, sometimes larvae. If possible, predato ...
... mass based on empirical measurements of length [n ¼ 3778]) of 16 863 consumer–resource links in a global data set (Brose et al. 2005b). The body sizes were measured for the individuals engaged in the trophic interactions: sometimes these individuals are adults, sometimes larvae. If possible, predato ...
supervisors
... Shaun Collin is a Western Australian Premier’s Fellow. Western Australia has an exceptionally rich biodiversity that is ranked second in the world in terms of its endemism. The habitats for native animals are unsurpassed, from arid deserts to rainforests to estuarine mangroves to deep ocean canyons. ...
... Shaun Collin is a Western Australian Premier’s Fellow. Western Australia has an exceptionally rich biodiversity that is ranked second in the world in terms of its endemism. The habitats for native animals are unsurpassed, from arid deserts to rainforests to estuarine mangroves to deep ocean canyons. ...
Establishment of a self-propagating population of the African malaria
... One of the challenges undermining contemporary vector control strategies is the limited understanding of the ecological complexities that allow vector populations to persist and evade control approaches. Taking the example of African malaria vectors, there is insufficient understanding of mosquito l ...
... One of the challenges undermining contemporary vector control strategies is the limited understanding of the ecological complexities that allow vector populations to persist and evade control approaches. Taking the example of African malaria vectors, there is insufficient understanding of mosquito l ...
Dynamics of ecological communities in variable environments
... The ecosystems of the world are currently facing a variety of anthropogenic perturbations, such as climate change, fragmentation and destruction of habitat, overexploitation of natural resources and invasions of alien species. How the ecosystems will be affected is not only dependent on the direct e ...
... The ecosystems of the world are currently facing a variety of anthropogenic perturbations, such as climate change, fragmentation and destruction of habitat, overexploitation of natural resources and invasions of alien species. How the ecosystems will be affected is not only dependent on the direct e ...
Abstracts Worshop "Microorganisms in turbulent flows"
... Plankton in marine turbulence. Marine planktonic organisms live in turbulent flows and see the world in a Lagrangian way. They have developed, over many generations, a strong adaptation to the fluctuations of the fluid they live in. The results are complex behaviors and population dynamics. Here we ...
... Plankton in marine turbulence. Marine planktonic organisms live in turbulent flows and see the world in a Lagrangian way. They have developed, over many generations, a strong adaptation to the fluctuations of the fluid they live in. The results are complex behaviors and population dynamics. Here we ...
Pfeiffer et al. 2003
... vegetation sequence of steppe, semi desert, and desert. In this paper we examine the structure of the Mongolian ant communities and vegetation patterns along a transect from steppe to Gobi desert. Mongolia’s arid zones differ in many aspects from dry regions elsewhere, because of the strong influenc ...
... vegetation sequence of steppe, semi desert, and desert. In this paper we examine the structure of the Mongolian ant communities and vegetation patterns along a transect from steppe to Gobi desert. Mongolia’s arid zones differ in many aspects from dry regions elsewhere, because of the strong influenc ...
Plant species traits are the predominant control on litter
... senescence are associated with the diversity of plant resource-acquisition strategies in a given biome (Aerts 1996; Reich et al. 1997; Aerts & Chapin 2000; Grime 2001; Diaz et al. 2004; Wright et al. 2004). Green leaf traits are modulated only modestly by climate (Wright et al. 2005), and over 40% o ...
... senescence are associated with the diversity of plant resource-acquisition strategies in a given biome (Aerts 1996; Reich et al. 1997; Aerts & Chapin 2000; Grime 2001; Diaz et al. 2004; Wright et al. 2004). Green leaf traits are modulated only modestly by climate (Wright et al. 2005), and over 40% o ...
Bird in Hot Water: Responses by Marbled
... Fig. 1). Methods differed somewhat among the areas, but were consistent within each area. Small boats (4-6 m long; observer eye height 1.5–2.5 m above the sea) were used for the Trevor Channel and Broken Group transects, and larger vessels (8–12 m long; eye height 2.0–3.5 m) for the West Coast Trail ...
... Fig. 1). Methods differed somewhat among the areas, but were consistent within each area. Small boats (4-6 m long; observer eye height 1.5–2.5 m above the sea) were used for the Trevor Channel and Broken Group transects, and larger vessels (8–12 m long; eye height 2.0–3.5 m) for the West Coast Trail ...
Ecosystem Consequences of Biological Invasions
... of Elements within Ecosystems? Change in pool sizes has been examined in many studies of plant invasions. Liao et al. (2008), in a recent meta-analysis, found that plant invasions result in much higher pools of aboveground (133% higher) and belowground (5%) carbon (C), aboveground (85%) and belowgro ...
... of Elements within Ecosystems? Change in pool sizes has been examined in many studies of plant invasions. Liao et al. (2008), in a recent meta-analysis, found that plant invasions result in much higher pools of aboveground (133% higher) and belowground (5%) carbon (C), aboveground (85%) and belowgro ...
empirical rules and assembly theory
... (c. 1985) became established and their present distribution is limited. The remaining six species are largely confined to Pillsbury Reservoir, although individuals are flushed downstream nearly every spring and small populations become established in downstream pools, especially during periods of ex ...
... (c. 1985) became established and their present distribution is limited. The remaining six species are largely confined to Pillsbury Reservoir, although individuals are flushed downstream nearly every spring and small populations become established in downstream pools, especially during periods of ex ...
Lesson Overview - My Teacher Pages
... Hardy pioneer species helped stabilize loose volcanic debris, enabling later species to take hold. Historical studies in Krakatau and ongoing studies on Mount Saint Helens confirm that early stages of primary succession are slow, and that chance can play a large role in determining which species col ...
... Hardy pioneer species helped stabilize loose volcanic debris, enabling later species to take hold. Historical studies in Krakatau and ongoing studies on Mount Saint Helens confirm that early stages of primary succession are slow, and that chance can play a large role in determining which species col ...
Chap.8 Competition and coexistence
... – Intensive competition for the prey leads to lower effectiveness of the biological agents – Greater population establishment rate with fewer enemy species (Figure 1) – Establishment rate of single-species releases were significantly greater than the simultaneous release of two or more species (76% ...
... – Intensive competition for the prey leads to lower effectiveness of the biological agents – Greater population establishment rate with fewer enemy species (Figure 1) – Establishment rate of single-species releases were significantly greater than the simultaneous release of two or more species (76% ...
From regional to global patterns in vertebrate scavenger
... Vertebrate scavenger communities world-wide species Shannon diversity widely ranged between regions (i.e. 1.4–12.5; Table 1). When all the ecosystems were posed over an equal sample coverage, estimated species richness and Shannon diversity showed similar trends to those of raw data (Table 1). Extr ...
... Vertebrate scavenger communities world-wide species Shannon diversity widely ranged between regions (i.e. 1.4–12.5; Table 1). When all the ecosystems were posed over an equal sample coverage, estimated species richness and Shannon diversity showed similar trends to those of raw data (Table 1). Extr ...
Forest Ecology in Washington
... of wood, branches, roots, or leaves. Although a complete understanding of photosynthesis is beyond the scope of this publication, the faster and more efficiently a tree carries on photosynthesis, the faster it will grow and the less vulnerable it will be to insects and disease. This is primarily a f ...
... of wood, branches, roots, or leaves. Although a complete understanding of photosynthesis is beyond the scope of this publication, the faster and more efficiently a tree carries on photosynthesis, the faster it will grow and the less vulnerable it will be to insects and disease. This is primarily a f ...
ECOLOGY
... Toxic pollutants from agriculture and industry have been found worldwide, even in areas that are far from pollution sources. Until now, scientists have blamed air currents for spreading toxins far from their sources. However, a recent study indicates that fish can transport toxins over long distance ...
... Toxic pollutants from agriculture and industry have been found worldwide, even in areas that are far from pollution sources. Until now, scientists have blamed air currents for spreading toxins far from their sources. However, a recent study indicates that fish can transport toxins over long distance ...
Habitat
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A habitat is an ecological or environmental area that is inhabited by human, a particular species of animal, plant, or other type of organism.A place where a living thing lives is its habitat. It is a place where it can find food, shelter, protection and mates for reproduction. It is the natural environment in which an organism lives, or the physical environment that surrounds a species population.A habitat is made up of physical factors such as soil, moisture, range of temperature, and availability of light as well as biotic factors such as the availability of food and the presence of predators. A habitat is not necessarily a geographic area—for a parasitic organism it is the body of its host, part of the host's body such as the digestive tract, or a cell within the host's body.