Mesquite, Algaroba, Quilpie Mesquite
... fuel load to sustain a high intensity fire and if used in conjunction with other methods, such as following mechanical control . Other species have the ability to regrow from rootstock following fire. For these species fire can be a useful tool to remove dead material that has resulted from previous ...
... fuel load to sustain a high intensity fire and if used in conjunction with other methods, such as following mechanical control . Other species have the ability to regrow from rootstock following fire. For these species fire can be a useful tool to remove dead material that has resulted from previous ...
ecosystem effects of biodiversity manipulations in
... We simulate species loss by assembling different diversity communities. An alternative approach to evaluate biodiversity–ecosystem functioning relationships is species removal from existing communities to create a diversity gradient (Wardle et al. 1999, Diaz et al. 2003). (3) The results of biodiver ...
... We simulate species loss by assembling different diversity communities. An alternative approach to evaluate biodiversity–ecosystem functioning relationships is species removal from existing communities to create a diversity gradient (Wardle et al. 1999, Diaz et al. 2003). (3) The results of biodiver ...
Competitive abilities of introduced and native grasses
... etation may relate to its ability to resist competitive suppression. In the Agropyron-dominated vegetation, neigh boring vegetation suppressed the growth of both species by the same extent. However, competition accounted for more variation in transplant growth in Agropyron-dominated vegetation than ...
... etation may relate to its ability to resist competitive suppression. In the Agropyron-dominated vegetation, neigh boring vegetation suppressed the growth of both species by the same extent. However, competition accounted for more variation in transplant growth in Agropyron-dominated vegetation than ...
Definitions of terms relating to biological diversity
... organisms of a given taxon can disperse between habitat patches Connectivity: (n) degree to which disjunct populations function as a meta-population Conservation biology: (np) science whose objective is to provide methods and results that can be used by managers to slow or halt the loss of biologica ...
... organisms of a given taxon can disperse between habitat patches Connectivity: (n) degree to which disjunct populations function as a meta-population Conservation biology: (np) science whose objective is to provide methods and results that can be used by managers to slow or halt the loss of biologica ...
phosphate - ES-Emerald(2010
... freshwater environments, whereas nitrogen is more often the limiting nutrient in marine (seawater) environments. Addition of high levels of phosphate to environments and to micro-environments in which it is typically rare can have significant ecological consequences. For example, blooms in the popul ...
... freshwater environments, whereas nitrogen is more often the limiting nutrient in marine (seawater) environments. Addition of high levels of phosphate to environments and to micro-environments in which it is typically rare can have significant ecological consequences. For example, blooms in the popul ...
Science and the Environment
... to reveal the is Click plants; herbivores candefinition! be a food source for carnivores and omnivores. ...
... to reveal the is Click plants; herbivores candefinition! be a food source for carnivores and omnivores. ...
World Conservation Strategy
... malnourished and 800 million destitute, are compelled to destroy the resources necessary to free them from starvation and poverty: - in widening swaths around their villages the rural poor strip the land of trees and shrubs for fuel so that now many communities do not have enough wood to cook food o ...
... malnourished and 800 million destitute, are compelled to destroy the resources necessary to free them from starvation and poverty: - in widening swaths around their villages the rural poor strip the land of trees and shrubs for fuel so that now many communities do not have enough wood to cook food o ...
Ecosystems and Population Change Ecosystems and Population
... to supply wood for housing and industries. But at what cost? A sustainable ecosystem survives and functions over a long time. Long-term sustainability is not sacrificed for shortterm gains. Similarly, a sustainable human society manages its economy and population size without exceeding the planet’s ...
... to supply wood for housing and industries. But at what cost? A sustainable ecosystem survives and functions over a long time. Long-term sustainability is not sacrificed for shortterm gains. Similarly, a sustainable human society manages its economy and population size without exceeding the planet’s ...
Open or download EMP bulletin as a PDF file
... Chromolaena is toxic to humans, livestock and even other plants. It forms dense, monotypic tangles. Each shrubby Chromolaena plant grows up to 12-feet tall and can produce 800,000 seeds in a year. The small, narrow seeds, topped with a tuft of fibers, are easily dispersed via the wind. The small see ...
... Chromolaena is toxic to humans, livestock and even other plants. It forms dense, monotypic tangles. Each shrubby Chromolaena plant grows up to 12-feet tall and can produce 800,000 seeds in a year. The small, narrow seeds, topped with a tuft of fibers, are easily dispersed via the wind. The small see ...
habitat in agricultural landscapes: how much is enough?
... communities whose numbers are stable or increasing. There are many factors accounting for biodiversity loss beyond the destruction of habitat. Minimum habitat areas for species may vary depending on region and landscape context. For most species, little is known about the minimum individual and popu ...
... communities whose numbers are stable or increasing. There are many factors accounting for biodiversity loss beyond the destruction of habitat. Minimum habitat areas for species may vary depending on region and landscape context. For most species, little is known about the minimum individual and popu ...
Bison are a keystone species for ecosystem restoration
... Wallows are a unique ecological feature of prairie ecosystems created by bison. By rolling repeatedly in exposed soil, bison increase soil compaction in certain areas which aids in water retention. In the spring, these wallows produce temporary pools that can support ephemeral wetland species (Uno 1 ...
... Wallows are a unique ecological feature of prairie ecosystems created by bison. By rolling repeatedly in exposed soil, bison increase soil compaction in certain areas which aids in water retention. In the spring, these wallows produce temporary pools that can support ephemeral wetland species (Uno 1 ...
Plant genetic variation mediates an indirect ecological effect
... plants, with soil organisms interacting via the roots and aboveground organisms via the shoots and leaves. Many studies now show that plant genetics can drive changes in the structure of both above and belowground communities; however, the role of plant genetic variation in mediating aboveground-bel ...
... plants, with soil organisms interacting via the roots and aboveground organisms via the shoots and leaves. Many studies now show that plant genetics can drive changes in the structure of both above and belowground communities; however, the role of plant genetic variation in mediating aboveground-bel ...
... seed-only restoration plot had very low cover of prairie species (22%) relative to the mean in other seed-only restoration plots (55%) and a very high weed stem number; it was also a significant outlier in the analysis of total weed stem number (outlier tstatistic = 3.16, P = 0.0046). Uneven terrain ...
41 Ile Iqk
... shrew. All may, at times, be regarded as important predators of larch sawfly cocoons. Data on metabolism were obtained from a total of 60 animals. Of these, 33 were S. arcticus, for which no previous physiological information could be found in the literature. The study of shrews and other small mamm ...
... shrew. All may, at times, be regarded as important predators of larch sawfly cocoons. Data on metabolism were obtained from a total of 60 animals. Of these, 33 were S. arcticus, for which no previous physiological information could be found in the literature. The study of shrews and other small mamm ...
The Ecology of Place: Contributions of Place-Based
... “fundamental” niche due to genetic differentiation within species. Deducing the contributions of these two factors is beyond our current ability. Instead we discuss how to explore such possibilities by challenging multiple working hypotheses with increasingly sophisticated knowledge of natural histo ...
... “fundamental” niche due to genetic differentiation within species. Deducing the contributions of these two factors is beyond our current ability. Instead we discuss how to explore such possibilities by challenging multiple working hypotheses with increasingly sophisticated knowledge of natural histo ...
Ecology project Name Period ______ Instructions: Part 1: What is t
... How is nitrogen recycled in your ecosystem? Explain the cycle and how it works in your ecosystem. What is the role of decomposers in the nitrogen cycle? Why are cycles important? Part 6: How is energy transferred in an ecosystem? Individual organisms within a biotic community survive either by produ ...
... How is nitrogen recycled in your ecosystem? Explain the cycle and how it works in your ecosystem. What is the role of decomposers in the nitrogen cycle? Why are cycles important? Part 6: How is energy transferred in an ecosystem? Individual organisms within a biotic community survive either by produ ...
Different arbuscular mycorrhizal fungi alter coexistence and
... co-occurring species are better suited for such a quantification and it enables ecologists to assess the importance of AMF in relation to other factors that also affect plant species coexistence. Moreover, many AMF species are not host specific (Law, 1988) and colonize different plants at the same t ...
... co-occurring species are better suited for such a quantification and it enables ecologists to assess the importance of AMF in relation to other factors that also affect plant species coexistence. Moreover, many AMF species are not host specific (Law, 1988) and colonize different plants at the same t ...
Why biodiversity is important to oceanography: potential roles of
... data). As a result, total biomass and production may be greater and extend over a longer time period than if the species represented a single, undifferentiated population. Experiments that examine the production of these strains in monocultures versus polycultures under realistically changing enviro ...
... data). As a result, total biomass and production may be greater and extend over a longer time period than if the species represented a single, undifferentiated population. Experiments that examine the production of these strains in monocultures versus polycultures under realistically changing enviro ...
Biological stoichiometry of plant production: metabolism, scaling and
... of taxa differing in some kind of taxon- and ⁄ or size-dependent C : N : P stoichiometric signature. Classic data for the green alga Scenedesmus (Rhee, 1978) show a complete lack of stoichiometric homeostasis (H = 1) across the range of N : P ratios supplied (Sterner & Elser, 2002). Recognizing that ...
... of taxa differing in some kind of taxon- and ⁄ or size-dependent C : N : P stoichiometric signature. Classic data for the green alga Scenedesmus (Rhee, 1978) show a complete lack of stoichiometric homeostasis (H = 1) across the range of N : P ratios supplied (Sterner & Elser, 2002). Recognizing that ...
Do ectotherms partition thermal resources? We still do not know
... temperatures) and live on tree trunks where they defend small territories. Species A occupies a forest patch that is subsequently invaded by species B that is slightly larger and thus dominant in competitive interactions. Following the invasion by species B and in response to strong interspecific co ...
... temperatures) and live on tree trunks where they defend small territories. Species A occupies a forest patch that is subsequently invaded by species B that is slightly larger and thus dominant in competitive interactions. Following the invasion by species B and in response to strong interspecific co ...
Lack of relationship between below
... target plants and their neighbours were manipulated through the use of PVC root exclusion tubes, with target plants grown with or without potential root interactions with their neighbours. Neighbour shoots were also tied back, forcing any target–neighbour interactions to be below ground. 3 Below-gro ...
... target plants and their neighbours were manipulated through the use of PVC root exclusion tubes, with target plants grown with or without potential root interactions with their neighbours. Neighbour shoots were also tied back, forcing any target–neighbour interactions to be below ground. 3 Below-gro ...
A Dynamical Systems Approach to Modeling Plankton Food Web
... systems involving a resource, a prey (phytoplankton), and predators (zooplankton) in order to understand the complex interactions between these constituents. It is important to study these food chains, because phytoplankton contribute to numerous biogeochemical processes in nature. They control wate ...
... systems involving a resource, a prey (phytoplankton), and predators (zooplankton) in order to understand the complex interactions between these constituents. It is important to study these food chains, because phytoplankton contribute to numerous biogeochemical processes in nature. They control wate ...
