assessment of finfish cage aquaculture in the
... sites for the introduction of feed, other nutrients and metabolic wastes, and oxygen is removed from the water column directly due to respiration by the fish and indirectly due to breakdown of the feed and metabolic wastes by marine micro-organisms. These changes can occur both in the immediate vici ...
... sites for the introduction of feed, other nutrients and metabolic wastes, and oxygen is removed from the water column directly due to respiration by the fish and indirectly due to breakdown of the feed and metabolic wastes by marine micro-organisms. These changes can occur both in the immediate vici ...
California Rapid Assessment Method for Wetlands version 5.0.2 Perennial Depressional
... currently not dedicated to anthropogenic uses that would severely detract from its ability to entrap contaminants, discourage forays into the AA by people and non-native predators, or otherwise protect the AA from stress and disturbance. To be considered as buffer, a suitable land cover type must be ...
... currently not dedicated to anthropogenic uses that would severely detract from its ability to entrap contaminants, discourage forays into the AA by people and non-native predators, or otherwise protect the AA from stress and disturbance. To be considered as buffer, a suitable land cover type must be ...
Rise of the Earliest Tetrapods: An Early Devonian Origin from
... extinct sarcopterygian fishes, are the closest relatives (sister-group) of tetrapods [4]. The early vertebrate expert community very often follows the idea originally proposed by A. S. Romer (e.g. [5]) that early tetrapod life occurred in freshwater under the ‘‘Drying Pond’’ scenario where tetrapods ...
... extinct sarcopterygian fishes, are the closest relatives (sister-group) of tetrapods [4]. The early vertebrate expert community very often follows the idea originally proposed by A. S. Romer (e.g. [5]) that early tetrapod life occurred in freshwater under the ‘‘Drying Pond’’ scenario where tetrapods ...
CBNERR Research Bibliography
... resulting from watershed-level impacts. A simulation model designed to study Zostera marina (eelgrass) habitat dynamics in a variable littoral zone environment was used to address the potential ecological responses to eutrophication in lower Chesapeake Bay. The adjacent channel boundary environment ...
... resulting from watershed-level impacts. A simulation model designed to study Zostera marina (eelgrass) habitat dynamics in a variable littoral zone environment was used to address the potential ecological responses to eutrophication in lower Chesapeake Bay. The adjacent channel boundary environment ...
Today we are going to discuss a very important topic namely
... Ecosystem was coined in 1930 by Roy Clapham, to denote the physical and biological components of an environment considered in relation to each other as a unit. British ecologist Arthur Tansley later refined the term, describing it as the interactive system established between biocoenosis (a group of ...
... Ecosystem was coined in 1930 by Roy Clapham, to denote the physical and biological components of an environment considered in relation to each other as a unit. British ecologist Arthur Tansley later refined the term, describing it as the interactive system established between biocoenosis (a group of ...
appendix w5 - Department of Water Affairs
... Marginal/Low rating=1; The floodplain falls within a Municipal nature reserve or some other category of protected status that reflects its importance for the conservation of ecological diversity a local scale. Very low rating=0; The floodplain does not fall within any category of protected status th ...
... Marginal/Low rating=1; The floodplain falls within a Municipal nature reserve or some other category of protected status that reflects its importance for the conservation of ecological diversity a local scale. Very low rating=0; The floodplain does not fall within any category of protected status th ...
Critical Review - University of South Florida
... Abstract—Community ecotoxicology is defined as the study of the effects of contaminants on patterns of species abundance, diversity, community composition, and species interactions. Recent discoveries that species diversity is positively associated with ecosystem stability, recovery, and services ha ...
... Abstract—Community ecotoxicology is defined as the study of the effects of contaminants on patterns of species abundance, diversity, community composition, and species interactions. Recent discoveries that species diversity is positively associated with ecosystem stability, recovery, and services ha ...
Learning Outcomes for Ecology Concepts and Applications 6e
... 2. Diagram the movements of salts and water between the surrounding environment and aquatic organisms that are isosmotic, hyperosmotic, and hypoosmotic. 3. Explain, using gradients in water potential, the movement of water from the soil, through a plant, and to the atmosphere. 6.2 Water Regulation o ...
... 2. Diagram the movements of salts and water between the surrounding environment and aquatic organisms that are isosmotic, hyperosmotic, and hypoosmotic. 3. Explain, using gradients in water potential, the movement of water from the soil, through a plant, and to the atmosphere. 6.2 Water Regulation o ...
Intratrophic predation in a simple food chain with a fluctuating
... to allow for mathematical analysis, or else numerical simulations are used as a tool to study the large systems. Since ecosystems may involve hundreds of species, it is almost impossible to model the interaction within an ecosystem explicitly. Therefore, intratrophic predations arise when a large nu ...
... to allow for mathematical analysis, or else numerical simulations are used as a tool to study the large systems. Since ecosystems may involve hundreds of species, it is almost impossible to model the interaction within an ecosystem explicitly. Therefore, intratrophic predations arise when a large nu ...
Waterscape Overview
... reflect the desired extent to which that property should factor into the overall HUC12 selection vs. other properties, i.e. each property’s relative importance ...
... reflect the desired extent to which that property should factor into the overall HUC12 selection vs. other properties, i.e. each property’s relative importance ...
Big frogs in small ponds
... It helps that she’s dealing with a giant of the froggy world. Bullfrogs are the largest frog in North America, measuring up to 20 centimetres in length (not including legs) and tipping the scales at up to threequarters of a kilogram. Tadpoles can grow up to 15 cm long, with heads as big as golf ball ...
... It helps that she’s dealing with a giant of the froggy world. Bullfrogs are the largest frog in North America, measuring up to 20 centimetres in length (not including legs) and tipping the scales at up to threequarters of a kilogram. Tadpoles can grow up to 15 cm long, with heads as big as golf ball ...
Settlement, growth and structure of three marine
... feeding surfaces or is pumped through their internal filtering mechanisms. ...
... feeding surfaces or is pumped through their internal filtering mechanisms. ...
Towards a cohesive, holistic view of top predation: a definition
... of studies on top predatory species and a rapid branching into so many research areas that enumerating them all would be impossible. Such ramification makes it already difficult to sketch a simple history of main conceptual advances for the last 20 years. Among the main trends, the ‘metapopulation p ...
... of studies on top predatory species and a rapid branching into so many research areas that enumerating them all would be impossible. Such ramification makes it already difficult to sketch a simple history of main conceptual advances for the last 20 years. Among the main trends, the ‘metapopulation p ...
Recent advances in ecological stoichiometry: insights for population
... a single-currency approach, i.e. trophic transfer is modeled by a single currency such as number of prey individuals, biomass, or C, without considering that this transfer can be linked to the transfer of other elements (such as P and N). The mass balance of multiple elements in chemical reactions c ...
... a single-currency approach, i.e. trophic transfer is modeled by a single currency such as number of prey individuals, biomass, or C, without considering that this transfer can be linked to the transfer of other elements (such as P and N). The mass balance of multiple elements in chemical reactions c ...
Recent advances in ecological stoichiometry: insights for population
... a single-currency approach, i.e. trophic transfer is modeled by a single currency such as number of prey individuals, biomass, or C, without considering that this transfer can be linked to the transfer of other elements (such as P and N). The mass balance of multiple elements in chemical reactions c ...
... a single-currency approach, i.e. trophic transfer is modeled by a single currency such as number of prey individuals, biomass, or C, without considering that this transfer can be linked to the transfer of other elements (such as P and N). The mass balance of multiple elements in chemical reactions c ...
Indicative, Pathogenic, and Marine Bacteria in the Sea
... Previous and recent laboratory studies indicate that the survival of Streptococcus fecatis and Staphylococcus aureus in filtered seawater is less than that of Escherichia coli and Salmonella typhimurium; Candida albicans is relatively long-lived (Table 1). Comparison of mortality rates under these c ...
... Previous and recent laboratory studies indicate that the survival of Streptococcus fecatis and Staphylococcus aureus in filtered seawater is less than that of Escherichia coli and Salmonella typhimurium; Candida albicans is relatively long-lived (Table 1). Comparison of mortality rates under these c ...
View PDF - CiteSeerX
... As a part of our long-term research program on the ecological and evolutionary interactions among Triturus newts – primarily between T. cristatus and T. marmoratus and their hybrids (e.g. Arntzen & Hedlund, 1990; Arntzen & Wallis, 1991; Jehle & Arntzen, 2000) – we studied the environmental factors t ...
... As a part of our long-term research program on the ecological and evolutionary interactions among Triturus newts – primarily between T. cristatus and T. marmoratus and their hybrids (e.g. Arntzen & Hedlund, 1990; Arntzen & Wallis, 1991; Jehle & Arntzen, 2000) – we studied the environmental factors t ...
A comparison of egg-bank and long-term plankton dynamics of two
... Daphnia magna population in response to differences in fish predation (Cousyn et al. 2001) and microevolutionary changes in the copper sensitivity of Lake Superior daphnids in response to mining (Kerfoot et al. 1999). Using the methods of resurrection ecology, it was suggested that the Daphnia galea ...
... Daphnia magna population in response to differences in fish predation (Cousyn et al. 2001) and microevolutionary changes in the copper sensitivity of Lake Superior daphnids in response to mining (Kerfoot et al. 1999). Using the methods of resurrection ecology, it was suggested that the Daphnia galea ...