scoring - Aqualife
... contact with the ground of the soil. [definition source: Directive 2000/60/EC (Water Framework Directive)] ...
... contact with the ground of the soil. [definition source: Directive 2000/60/EC (Water Framework Directive)] ...
accepted manuscript
... salinity from Bay averages of 30 to 20-25 parts per thousand to prevent parasite transfer between animals (Ripley & Foran, in press). Fish were separated by species and sex and maintained at a density of less than ten per tank. Pipefish were fed frozen mysid shrimp and Artemia to satiation three tim ...
... salinity from Bay averages of 30 to 20-25 parts per thousand to prevent parasite transfer between animals (Ripley & Foran, in press). Fish were separated by species and sex and maintained at a density of less than ten per tank. Pipefish were fed frozen mysid shrimp and Artemia to satiation three tim ...
The role of earthworms on plant performance and ecosystem function.
... The extent to which ecosystem functioning depends on biodiversity has risen as a crucial question at a time when human activities accelerated the rate at which species are disappearing (Ehrlich 1988, Soule 1991). Earth’s biota with its extraordinary diversity estimated around 10 million species suff ...
... The extent to which ecosystem functioning depends on biodiversity has risen as a crucial question at a time when human activities accelerated the rate at which species are disappearing (Ehrlich 1988, Soule 1991). Earth’s biota with its extraordinary diversity estimated around 10 million species suff ...
Interactions between organisms and the abiotic environment
... maintenance and growth. The energy that is accumulated in plant biomass is called “net primary production.” ...
... maintenance and growth. The energy that is accumulated in plant biomass is called “net primary production.” ...
Esalen Selects Arkin-Tilt Architects to Renovate Lodge Award
... Esalen Selects Arkin-Tilt Architects to Renovate Lodge Award-winning ecological design firm will update lodge and rebuild of staff housing. BIG SUR, CALIF. – Esalen Institute announces the selection of Arkin-Tilt Architects, an ecological planning and design firm, to renovate the Lodge on its main p ...
... Esalen Selects Arkin-Tilt Architects to Renovate Lodge Award-winning ecological design firm will update lodge and rebuild of staff housing. BIG SUR, CALIF. – Esalen Institute announces the selection of Arkin-Tilt Architects, an ecological planning and design firm, to renovate the Lodge on its main p ...
Answer Key - Mandarin High School - Mrs. Brand`s Science Classes
... plan for the endangered species. You have decided to enter the competition by creating a magazine article, complete with pictures, that describes an endangered species in your state, its population status and distribution, and its habitat and niche. You will include the threats that endanger the spe ...
... plan for the endangered species. You have decided to enter the competition by creating a magazine article, complete with pictures, that describes an endangered species in your state, its population status and distribution, and its habitat and niche. You will include the threats that endanger the spe ...
Facilitation of fisheries by natural predators
... dynamics of ecological communities. The intuitive expectation is that mortality will decrease the abundance and biomass of a population as individuals are removed. Hence, there should be an inherent conflict between predator species targeting shared prey. Among surviving individuals, however, the ef ...
... dynamics of ecological communities. The intuitive expectation is that mortality will decrease the abundance and biomass of a population as individuals are removed. Hence, there should be an inherent conflict between predator species targeting shared prey. Among surviving individuals, however, the ef ...
Effect of aquaculture on world fish supplies
... seedstock collection and other ecological impacts. On balance, global aquaculture production still adds to world ®sh supplies; however, if the growing aquaculture industry is to sustain its contribution to world ®sh supplies, it must reduce wild ®sh inputs in feed and adopt more ecologically sound m ...
... seedstock collection and other ecological impacts. On balance, global aquaculture production still adds to world ®sh supplies; however, if the growing aquaculture industry is to sustain its contribution to world ®sh supplies, it must reduce wild ®sh inputs in feed and adopt more ecologically sound m ...
Effect of aquaculture on world fish supplies
... seedstock collection and other ecological impacts. On balance, global aquaculture production still adds to world ®sh supplies; however, if the growing aquaculture industry is to sustain its contribution to world ®sh supplies, it must reduce wild ®sh inputs in feed and adopt more ecologically sound m ...
... seedstock collection and other ecological impacts. On balance, global aquaculture production still adds to world ®sh supplies; however, if the growing aquaculture industry is to sustain its contribution to world ®sh supplies, it must reduce wild ®sh inputs in feed and adopt more ecologically sound m ...
Geochemical Cycles - Participatory Science
... nitrogen can be blown into nitrogen-sensitive terrestrial environments, causing long-term changes. For example, nitrogen oxides comprise a significant portion of the acidity in acid rain which has been blamed for forest death and decline in parts of Europe and the Northeast United States. Increases ...
... nitrogen can be blown into nitrogen-sensitive terrestrial environments, causing long-term changes. For example, nitrogen oxides comprise a significant portion of the acidity in acid rain which has been blamed for forest death and decline in parts of Europe and the Northeast United States. Increases ...
Resource use by re-introduced large African herbivores in an
... provide viable habitat for these species. However, human disturbances can make potential habitat less suitable for species of concern, and can cause extirpation or even extinction. Gorongosa National Park in Mozambique experienced the loss of nearly all of its large grazing herbivores causing a shif ...
... provide viable habitat for these species. However, human disturbances can make potential habitat less suitable for species of concern, and can cause extirpation or even extinction. Gorongosa National Park in Mozambique experienced the loss of nearly all of its large grazing herbivores causing a shif ...
Hatton etal. 2015. Science
... Regardless of how consumption Q is specified, trophic structure should depend on lower trophic productivity, P, according to a simple relation of flux rates. On the left of the equality is the predator-prey coefficient c, which influences pyramid shape, whereas on the right are parameters for flux r ...
... Regardless of how consumption Q is specified, trophic structure should depend on lower trophic productivity, P, according to a simple relation of flux rates. On the left of the equality is the predator-prey coefficient c, which influences pyramid shape, whereas on the right are parameters for flux r ...
The predator-prey power law: Biomass scaling across terrestrial and
... Regardless of how consumption Q is specified, trophic structure should depend on lower trophic productivity, P, according to a simple relation of flux rates. On the left of the equality is the predator-prey coefficient c, which influences pyramid shape, whereas on the right are parameters for flux r ...
... Regardless of how consumption Q is specified, trophic structure should depend on lower trophic productivity, P, according to a simple relation of flux rates. On the left of the equality is the predator-prey coefficient c, which influences pyramid shape, whereas on the right are parameters for flux r ...
RESEARCH REPORT Synopsis of 50 Years of Warmwater Fish STATE OF MICHIGAN
... seines, and toxicants. Usually, the goal was to estimate all fishes, but sometimes fish less than 34 inches long could not be estimated due to their frailty, low catchability, or high abundance. However, small fish usually are a minor component of total biomass. For 1958 data, the biomass of small b ...
... seines, and toxicants. Usually, the goal was to estimate all fishes, but sometimes fish less than 34 inches long could not be estimated due to their frailty, low catchability, or high abundance. However, small fish usually are a minor component of total biomass. For 1958 data, the biomass of small b ...
cod on the southern scotian shelf and in the bay of fundy (div. 4x/5y)
... cod is not known. Misreporting and discarding of cod in 4X can contribute to the estimate of natural mortality. There were numerous reports of cod being discarded or landed unreported in ...
... cod is not known. Misreporting and discarding of cod in 4X can contribute to the estimate of natural mortality. There were numerous reports of cod being discarded or landed unreported in ...
Fibre wall and lumen fractions drive wood density
... breakage at a given wood diameter (Chave et al. 2009). However, it has also been suggested that plants can build thicker stems to compensate for their lower density (Anten and Schieving 2010; Larjavaara and Muller-Landau 2010; Butler et al. 2011). Thirdly, denser woods might be more resistant to pat ...
... breakage at a given wood diameter (Chave et al. 2009). However, it has also been suggested that plants can build thicker stems to compensate for their lower density (Anten and Schieving 2010; Larjavaara and Muller-Landau 2010; Butler et al. 2011). Thirdly, denser woods might be more resistant to pat ...
Co-existence of wildlife and pastoralism on extensive rangelands
... Extensive livestock-keeping still dominates the terrestrial landscape, in areas where alternative forms of production are inhibited by limitations of climate and terrain, although that has not prevented other resource users (e.g. irrigated and rainfed cropping, housing development, mineral extractio ...
... Extensive livestock-keeping still dominates the terrestrial landscape, in areas where alternative forms of production are inhibited by limitations of climate and terrain, although that has not prevented other resource users (e.g. irrigated and rainfed cropping, housing development, mineral extractio ...
behavioral responses to `alarm odors` in potentially invasive and non
... during two consecutive time phases: (1) a 3-min control phase following the injection of 20 ml of control water, and immediately after (2) a 3-min test phase following the injection of 20 ml of test solution. Test solutions were composed of: (1) 10 ml food odor plus 10 ml water (FOOD), (2) 10 ml foo ...
... during two consecutive time phases: (1) a 3-min control phase following the injection of 20 ml of control water, and immediately after (2) a 3-min test phase following the injection of 20 ml of test solution. Test solutions were composed of: (1) 10 ml food odor plus 10 ml water (FOOD), (2) 10 ml foo ...
Seasonal cycles in Ningaloo seaweed meadows367.66 KB
... invertebrate species. While some seaweed meadows underwent major losses of seaweed cover over summer to winter, other meadows retained a high amount of seaweed year-round. Spatial planning of marine parks should therefore consider: (1) protecting a large number of seaweed meadows to encompass the br ...
... invertebrate species. While some seaweed meadows underwent major losses of seaweed cover over summer to winter, other meadows retained a high amount of seaweed year-round. Spatial planning of marine parks should therefore consider: (1) protecting a large number of seaweed meadows to encompass the br ...
Insect herbivory in an experimental agroecosystem: the relative
... biomass using a profile ANOVA (Tabachnick and Fidell 2000). This procedure, which is comparable to repeated measures ANOVA, allows for the two clover biomass measurements (exclosure and control) taken from each plot to be non-independent. Clover biomass measures taken from the same plot could potent ...
... biomass using a profile ANOVA (Tabachnick and Fidell 2000). This procedure, which is comparable to repeated measures ANOVA, allows for the two clover biomass measurements (exclosure and control) taken from each plot to be non-independent. Clover biomass measures taken from the same plot could potent ...
Impacts of Urban Prairie Dogs on Soils in Boulder
... forests down to our aquifers (Banwart, 2011). Soils are formed when rocks break up and dissolve. This is helped along by soil organisms that create tiny particles that bind with decaying biomass and living microbes to form larger soil particles. Greater than 60% of fertile soil particles range from ...
... forests down to our aquifers (Banwart, 2011). Soils are formed when rocks break up and dissolve. This is helped along by soil organisms that create tiny particles that bind with decaying biomass and living microbes to form larger soil particles. Greater than 60% of fertile soil particles range from ...
Human-wildlife conflict in Africa - Library
... unchanged for longer than the human species has been in existence. It is virtually certain that crocodiles would have attacked and eaten humans and their predecessors in Africa throughout the last four million years. Egyptian History reveals for instance that in 2,000 B.C., hippos in the Nile delta ...
... unchanged for longer than the human species has been in existence. It is virtually certain that crocodiles would have attacked and eaten humans and their predecessors in Africa throughout the last four million years. Egyptian History reveals for instance that in 2,000 B.C., hippos in the Nile delta ...
Ecology of the New Zealand Rocky Shore Community
... submerged in seawater for at least a part of the tidal cycle to feed, respire, excrete, and reproduce and disperse their offspring. However, like terrestrial species, they also need to be able to survive the harsh conditions that go with regular periods of exposure to the air when they are uncovered ...
... submerged in seawater for at least a part of the tidal cycle to feed, respire, excrete, and reproduce and disperse their offspring. However, like terrestrial species, they also need to be able to survive the harsh conditions that go with regular periods of exposure to the air when they are uncovered ...
Chp 2 - StraightUpNorth.ca
... (Pielou, 1994). Alternate freezing and thawing cause these particular formations, and they develop best in ground where vegetation is sparse or absent (Pielou, 1994). ...
... (Pielou, 1994). Alternate freezing and thawing cause these particular formations, and they develop best in ground where vegetation is sparse or absent (Pielou, 1994). ...