Bust economics: foragers choose high quality habitats in
... The physiological adaptations of desert-dwelling mammals have been much studied (Degen et al., 1997; Geiser, 2004; Schwimmer & Haim, 2009), but the behavioral responses of these mammals to arid environments are less well known. Large species such as giraffe (Giraffa camelopardalis) can move long dis ...
... The physiological adaptations of desert-dwelling mammals have been much studied (Degen et al., 1997; Geiser, 2004; Schwimmer & Haim, 2009), but the behavioral responses of these mammals to arid environments are less well known. Large species such as giraffe (Giraffa camelopardalis) can move long dis ...
Plant functional traits and soil carbon sequestration in contrasting
... physical and chemical composition from those plant species that mainly invest in growth potential. As a consequence, the amount and composition of carbon forms that plants return to soil, and their subsequent fate in soil, can be related to plant growth rate (Chapin 2003; Lavorel et al. 2007). Plant ...
... physical and chemical composition from those plant species that mainly invest in growth potential. As a consequence, the amount and composition of carbon forms that plants return to soil, and their subsequent fate in soil, can be related to plant growth rate (Chapin 2003; Lavorel et al. 2007). Plant ...
Species richness and evenness respond in a
... and Hector 2000; Magurran 2004). These components are combined in diversity indices (e.g., Shannon’s H¢ and Simpson’s diversity). Evenness indices standardize abundance and range from near 0 when most individuals belong to a few species, to close to 1, when species are nearly equally abundant (Smith ...
... and Hector 2000; Magurran 2004). These components are combined in diversity indices (e.g., Shannon’s H¢ and Simpson’s diversity). Evenness indices standardize abundance and range from near 0 when most individuals belong to a few species, to close to 1, when species are nearly equally abundant (Smith ...
Animating the Carbon Cycle - University of California, Santa Cruz
... wildfire, leading to a net release of carbon to the atmosphere as CO2. Over many years this state change also led to the loss of organic carbon from soil carbon stocks. Wildebeest population recovery, due to disease management and anti-poaching enforcement, reversed the spatial extent of the wildfir ...
... wildfire, leading to a net release of carbon to the atmosphere as CO2. Over many years this state change also led to the loss of organic carbon from soil carbon stocks. Wildebeest population recovery, due to disease management and anti-poaching enforcement, reversed the spatial extent of the wildfir ...
Plant functional traits and soil carbon sequestration in contrasting
... physical and chemical composition from those plant species that mainly invest in growth potential. As a consequence, the amount and composition of carbon forms that plants return to soil, and their subsequent fate in soil, can be related to plant growth rate (Chapin 2003; Lavorel et al. 2007). Plant ...
... physical and chemical composition from those plant species that mainly invest in growth potential. As a consequence, the amount and composition of carbon forms that plants return to soil, and their subsequent fate in soil, can be related to plant growth rate (Chapin 2003; Lavorel et al. 2007). Plant ...
Bacanora and Sotol: So Far, So Close
... and Mayo, as well as by the regional mestizos. Felger and Moser (1985), whose work among the Seri or Comca’ac resulted in the most complete ethnobotanic study in Northwest Mexico, confirmed that this species and other agaves are used as fermented beverages, food staples and even as a water substitut ...
... and Mayo, as well as by the regional mestizos. Felger and Moser (1985), whose work among the Seri or Comca’ac resulted in the most complete ethnobotanic study in Northwest Mexico, confirmed that this species and other agaves are used as fermented beverages, food staples and even as a water substitut ...
Land-use history - India Environment Portal
... may be important for determining the abundance of grasshoppers, largely through the effect of fire on plants and leaf litter. Therefore, our results suggest that changes in the contemporary management regimes (e.g. increasing prescribed fire) may not be sufficient to shift the structure of grasshopp ...
... may be important for determining the abundance of grasshoppers, largely through the effect of fire on plants and leaf litter. Therefore, our results suggest that changes in the contemporary management regimes (e.g. increasing prescribed fire) may not be sufficient to shift the structure of grasshopp ...
Shifting species interactions in terrestrial dryland ecosystems
... Species interactions play key roles in linking the responses of populations, communities, and ecosystems to environmental change. For instance, species interactions are an important determinant of the complexity of changes in trophic biomass with variation in resources. Water resources are a major d ...
... Species interactions play key roles in linking the responses of populations, communities, and ecosystems to environmental change. For instance, species interactions are an important determinant of the complexity of changes in trophic biomass with variation in resources. Water resources are a major d ...
Introduction
... of degraded karst ecosystems. Karst restoration has become the core issue in research related to environmental changes in karst areas. With the implementation of the World Heritage List and Rocky Desertification Project in recent years, the number of related research papers has shown rapid growth an ...
... of degraded karst ecosystems. Karst restoration has become the core issue in research related to environmental changes in karst areas. With the implementation of the World Heritage List and Rocky Desertification Project in recent years, the number of related research papers has shown rapid growth an ...
Nitrogen and phosphorus resorption in a neotropical rain forest of a
... been observed to be low. Perhaps this lack of consistence is partly owing to the nutrient resorption methods used. The aim of the study was to analyse N and P resorption proficiency from tropical rain forest trees in a nutrientrich soil. It was hypothesised that trees would exhibit low nutrient reso ...
... been observed to be low. Perhaps this lack of consistence is partly owing to the nutrient resorption methods used. The aim of the study was to analyse N and P resorption proficiency from tropical rain forest trees in a nutrientrich soil. It was hypothesised that trees would exhibit low nutrient reso ...
The functional role of biodiversity in ecosystems
... skewed in natural communities due to the large number of rare species (i.e. evenness is low). Nevertheless, species richness defines the variety of phenotypic traits that can be expressed in a system, and thus the range of functional traits available as conditions change. The few available studies i ...
... skewed in natural communities due to the large number of rare species (i.e. evenness is low). Nevertheless, species richness defines the variety of phenotypic traits that can be expressed in a system, and thus the range of functional traits available as conditions change. The few available studies i ...
Concept Note Pollination
... farmers have already noticed significant declines in pollinator activity. Californian almond growers are accustomed to paying beekeepers from all over the US to place managed honeybee colonies in their orchards during the spring blossom to guarantee effective pollination. However, in 2005, almond gr ...
... farmers have already noticed significant declines in pollinator activity. Californian almond growers are accustomed to paying beekeepers from all over the US to place managed honeybee colonies in their orchards during the spring blossom to guarantee effective pollination. However, in 2005, almond gr ...
Analyzing spatial patterns linked to the ecology of herbivores and
... some of the ways they were integrated to study soil food webs in Florida citrus orchards with the goal of developing new biocontrol approaches. Keywords: PCR-based molecular methods, soil food webs, herbivore-induced plant volatiles, SADIE analysis, biological control ...
... some of the ways they were integrated to study soil food webs in Florida citrus orchards with the goal of developing new biocontrol approaches. Keywords: PCR-based molecular methods, soil food webs, herbivore-induced plant volatiles, SADIE analysis, biological control ...
Chapter 1
... As the herbivores eat plants and secondary consumers eat herbivores and tertiary consumers eat secondary consumers, the energy flows through the ecosystem from plants to herbivores to secondary consumers to tertiary consumers. Each time an animal eats a plant, it takes the energy within that plant ...
... As the herbivores eat plants and secondary consumers eat herbivores and tertiary consumers eat secondary consumers, the energy flows through the ecosystem from plants to herbivores to secondary consumers to tertiary consumers. Each time an animal eats a plant, it takes the energy within that plant ...
Unit 4: Chapter 1: Populations
... the base of the tail. The bird uses its beak to spread the oil over its feathers. This is called preening. Preening takes place in early morning and evening and empties the oil gland each time. After preening, the oil gland is considerably smaller. At the same time that the scientists recorded the n ...
... the base of the tail. The bird uses its beak to spread the oil over its feathers. This is called preening. Preening takes place in early morning and evening and empties the oil gland each time. After preening, the oil gland is considerably smaller. At the same time that the scientists recorded the n ...
Nitrogen Cycle Process www.AssignmentPoint.com The nitrogen
... enzyme that combines gaseous nitrogen with hydrogen to produce ammonia, which is converted by the bacteria into other organic compounds. Most biological nitrogen fixation occurs by the activity of Mo-nitrogenase, found in a wide variety of bacteria and some Archaea. Mo-nitrogenase is a complex two c ...
... enzyme that combines gaseous nitrogen with hydrogen to produce ammonia, which is converted by the bacteria into other organic compounds. Most biological nitrogen fixation occurs by the activity of Mo-nitrogenase, found in a wide variety of bacteria and some Archaea. Mo-nitrogenase is a complex two c ...
Ch. 42 Text
... cannot be created or destroyed Chemical elements are continually recycled within ecosystems In a forest ecosystem, most nutrients enter as dust or solutes in rain and are carried away in water ...
... cannot be created or destroyed Chemical elements are continually recycled within ecosystems In a forest ecosystem, most nutrients enter as dust or solutes in rain and are carried away in water ...
Ecosystems and Energy
... cannot be created or destroyed Chemical elements are continually recycled within ecosystems In a forest ecosystem, most nutrients enter as dust or solutes in rain and are carried away in water ...
... cannot be created or destroyed Chemical elements are continually recycled within ecosystems In a forest ecosystem, most nutrients enter as dust or solutes in rain and are carried away in water ...
Feeding on survival-food: gelatinous plankton as
... taxa were collected: chaetognaths, appendicularians, meroplankton including bivalve, decapod and polychaete larvae, ichthyoplankton (Engraulis anchoita eggs and larvae), ctenophores (Mnemiopsis sp. L. Agassiz, 1860), and hydromedusae (Liriope tetraphylla (Chamisso & Eysenhardt, 1821) and Turritopsis ...
... taxa were collected: chaetognaths, appendicularians, meroplankton including bivalve, decapod and polychaete larvae, ichthyoplankton (Engraulis anchoita eggs and larvae), ctenophores (Mnemiopsis sp. L. Agassiz, 1860), and hydromedusae (Liriope tetraphylla (Chamisso & Eysenhardt, 1821) and Turritopsis ...
Mississippi Department of Education Strand: Life Science
... diverse life forms (including vertebrates and invertebrates) that live in ...
... diverse life forms (including vertebrates and invertebrates) that live in ...
what shapes an ecosystem?
... If resources are scarce, some organisms will starve and populations will decrease. If resources become more plentiful, populations will increase. Competition in nature often results in a winner and a loser . . . with the loser failing to survive! ...
... If resources are scarce, some organisms will starve and populations will decrease. If resources become more plentiful, populations will increase. Competition in nature often results in a winner and a loser . . . with the loser failing to survive! ...
Coevolutionary dynamics of adaptive radiation for food
... predator–prey model was analyzed. In the model, each individual has two traits: trait x as a predator and trait y as a prey. These traits constitute a two-dimensional phenotype space, in which the whole group of individuals are represented as a phenotype distribution. Predator–prey interactions amon ...
... predator–prey model was analyzed. In the model, each individual has two traits: trait x as a predator and trait y as a prey. These traits constitute a two-dimensional phenotype space, in which the whole group of individuals are represented as a phenotype distribution. Predator–prey interactions amon ...
File
... The greenhouse effect is the natural phenomenon in which certain gases in the atmosphere, such as carbon dioxide and water vapor, absorb heat and reflect it back onto Earth, resulting in the warming of Earth. This effect is intensified by increased concentrations of the greenhouse gases in the atmos ...
... The greenhouse effect is the natural phenomenon in which certain gases in the atmosphere, such as carbon dioxide and water vapor, absorb heat and reflect it back onto Earth, resulting in the warming of Earth. This effect is intensified by increased concentrations of the greenhouse gases in the atmos ...
Handle with care
... wheezing, nasal discharge or mucus around the mouth. Blood in the faeces may indicate bladder stones that can result from a diet too high in protein. Faeces should also be tested for internal parasites. ...
... wheezing, nasal discharge or mucus around the mouth. Blood in the faeces may indicate bladder stones that can result from a diet too high in protein. Faeces should also be tested for internal parasites. ...
Air pollution and biodiversity
... More recent interest in the long-range effects of air pollution date from the 1960s. Attempts to control local air pollution problems, mainly by dispersal via high chimneys, resulted in the incorporation of sulphur and nitrogen dioxides into the atmosphere and the creation of sulphuric and nitric ac ...
... More recent interest in the long-range effects of air pollution date from the 1960s. Attempts to control local air pollution problems, mainly by dispersal via high chimneys, resulted in the incorporation of sulphur and nitrogen dioxides into the atmosphere and the creation of sulphuric and nitric ac ...