Herbivore physiological response to predation risk and implications
... Communicated by Thomas W. Schoener, University of California, Davis, CA, June 29, 2010 (received for review January 4, 2010) ...
... Communicated by Thomas W. Schoener, University of California, Davis, CA, June 29, 2010 (received for review January 4, 2010) ...
Effects of trophic similarity on community composition
... terms reasonably describe the feeding relationships we analyse in the pelagic area of lakes where consumers typically engulf and kill individuals that they eat. However, while predator and prey may be intuitive and relatively appropriate for pelagic species, our framework employs these terms to more ...
... terms reasonably describe the feeding relationships we analyse in the pelagic area of lakes where consumers typically engulf and kill individuals that they eat. However, while predator and prey may be intuitive and relatively appropriate for pelagic species, our framework employs these terms to more ...
Night-time conductance in C3 and C4 species: do plants lose water
... g and E and suf®cient water availability to express that potential. For species where night-time g was signi®cantly greater than empty chamber measurements (solid bars in Fig. 1A), night-time g was generally greater than 20% of daytime g (Fig. 1C). For a given total conductance, the actual transpira ...
... g and E and suf®cient water availability to express that potential. For species where night-time g was signi®cantly greater than empty chamber measurements (solid bars in Fig. 1A), night-time g was generally greater than 20% of daytime g (Fig. 1C). For a given total conductance, the actual transpira ...
do plants lose water at night?
... g and E and suf®cient water availability to express that potential. For species where night-time g was signi®cantly greater than empty chamber measurements (solid bars in Fig. 1A), night-time g was generally greater than 20% of daytime g (Fig. 1C). For a given total conductance, the actual transpira ...
... g and E and suf®cient water availability to express that potential. For species where night-time g was signi®cantly greater than empty chamber measurements (solid bars in Fig. 1A), night-time g was generally greater than 20% of daytime g (Fig. 1C). For a given total conductance, the actual transpira ...
Great Lakes – Upper Mississippi
... historical distribution includes Lake Superior and northern Lake Michigan and Lake Huron and tributaries, as well as the Upper Mississippi River Basin south to the Driftless Area of Wisconsin, Minnesota, Iowa and Illinois. The exact native range of brook trout in the Great Lakes is uncertain. For ex ...
... historical distribution includes Lake Superior and northern Lake Michigan and Lake Huron and tributaries, as well as the Upper Mississippi River Basin south to the Driftless Area of Wisconsin, Minnesota, Iowa and Illinois. The exact native range of brook trout in the Great Lakes is uncertain. For ex ...
File - DavidRudeClassInfo
... Maintain species diversity for an extended period. Contain multiple specialized ecological niches. Maintain high levels of organism interactions. Recycle nutrients Maintain a relatively constant biomass. ...
... Maintain species diversity for an extended period. Contain multiple specialized ecological niches. Maintain high levels of organism interactions. Recycle nutrients Maintain a relatively constant biomass. ...
read more! - Scripps Institution of Oceanography
... To describe the distribution of the observed bites by herbivores on different benthic taxa, the bites per minute on each benthic group for each herbivore species were averaged, and data were transformed using log (x + 1) to account for the large number of zeros in the dataset (Anderson et al. 2008). ...
... To describe the distribution of the observed bites by herbivores on different benthic taxa, the bites per minute on each benthic group for each herbivore species were averaged, and data were transformed using log (x + 1) to account for the large number of zeros in the dataset (Anderson et al. 2008). ...
Functional Ecology - Ruhr
... Daphnia hyalina was isolated from Lake Konstanz (Germany). It is larger than D. cucullata, but is also transparent and co-occurs with fish. Because it resides in oligo- to mesotrophic lakes, where a UV impact exists in the epilimnion, a reaction to both factors is possible. Also in D. pulex a respon ...
... Daphnia hyalina was isolated from Lake Konstanz (Germany). It is larger than D. cucullata, but is also transparent and co-occurs with fish. Because it resides in oligo- to mesotrophic lakes, where a UV impact exists in the epilimnion, a reaction to both factors is possible. Also in D. pulex a respon ...
pdf
... mean trophic level of all fisheries was 2.99 with small trawlers and the live baitfish fleet occupying the lowest trophic levels. The change in squid fishing rate and the most important squid predators fishing rate were simulated by increasing fishing mortality (F) from 0 to 1 per year, while mainta ...
... mean trophic level of all fisheries was 2.99 with small trawlers and the live baitfish fleet occupying the lowest trophic levels. The change in squid fishing rate and the most important squid predators fishing rate were simulated by increasing fishing mortality (F) from 0 to 1 per year, while mainta ...
Draft Predation Assessment Study Plan
... likely salmon predators from the 1990 predation study data, using a lower size limit of 150 mm will serve as a validation of these results. Stomach contents will be preserved in 70% ethanol, marked with species, length, capture location, and date/time, and transported to the laboratory for examinati ...
... likely salmon predators from the 1990 predation study data, using a lower size limit of 150 mm will serve as a validation of these results. Stomach contents will be preserved in 70% ethanol, marked with species, length, capture location, and date/time, and transported to the laboratory for examinati ...
Waipapa Point 2011 Fine Scale Rocky Shore Monitoring
... Rocky shores are a dominant and visually dramatic part of the Southland coastline. They reflect the erosive effect of waves where softer rocks are worn down, leaving harder rocks exposed. The habitat is physically complex, with rockpools, gullies, crevices and boulders providing a diverse range of h ...
... Rocky shores are a dominant and visually dramatic part of the Southland coastline. They reflect the erosive effect of waves where softer rocks are worn down, leaving harder rocks exposed. The habitat is physically complex, with rockpools, gullies, crevices and boulders providing a diverse range of h ...
Full text in pdf format
... Samples of limestone substrata collected from the bottom in the Makapuu bed were examined in the laboratory. The upper surfaces of all of the samples were heavily pitted and supported few micro-organisms. The undersurfaces were covered by some serpulid polychaetes and other encrusting species but in ...
... Samples of limestone substrata collected from the bottom in the Makapuu bed were examined in the laboratory. The upper surfaces of all of the samples were heavily pitted and supported few micro-organisms. The undersurfaces were covered by some serpulid polychaetes and other encrusting species but in ...
Transfer/release of grass carp and/or silver carp
... (most likely to be exotic vegetation) at a place, and to maintain this over time, without intending to remove all vegetation altogether; or Remove a specific problem weed species: such weeds may have become dominant in a water body with the result that most vegetation will need to be removed from th ...
... (most likely to be exotic vegetation) at a place, and to maintain this over time, without intending to remove all vegetation altogether; or Remove a specific problem weed species: such weeds may have become dominant in a water body with the result that most vegetation will need to be removed from th ...
Word, 422K (opens in new window)
... (most likely to be exotic vegetation) at a place, and to maintain this over time, without intending to remove all vegetation altogether; or Remove a specific problem weed species: such weeds may have become dominant in a water body with the result that most vegetation will need to be removed from th ...
... (most likely to be exotic vegetation) at a place, and to maintain this over time, without intending to remove all vegetation altogether; or Remove a specific problem weed species: such weeds may have become dominant in a water body with the result that most vegetation will need to be removed from th ...
Positive interactions expand habitat use and the realized niches of
... Positive interactions are particularly problematic for niche theory (Bruno and Bertness 2001). Foundation species, for example, provide group benefits, ameliorate physical and biotic stresses, expand species distributions, and increase the size of fundamental and realized niches (Bruno et al. 2003). ...
... Positive interactions are particularly problematic for niche theory (Bruno and Bertness 2001). Foundation species, for example, provide group benefits, ameliorate physical and biotic stresses, expand species distributions, and increase the size of fundamental and realized niches (Bruno et al. 2003). ...
Brine Shrimp (Artemia Salina) Brine shrimp (Artemia salina) are very
... Brine shrimp (Artemia salina) are very important organisms in Saskatchewan ecosystem. What makes them so important? Without them, many birds that stop along their migratory path to feed at the various saline lakes in Saskatchewan would be unable to obtain the nourishment required for their long and ...
... Brine shrimp (Artemia salina) are very important organisms in Saskatchewan ecosystem. What makes them so important? Without them, many birds that stop along their migratory path to feed at the various saline lakes in Saskatchewan would be unable to obtain the nourishment required for their long and ...
10 Interactions of Life
... A population is the number of organisms of the same species that live in an ecosystem at the same time. When investigating how populations live in an ecosystem, an important measure is population density. Population density is the size of the population compared to the amount of space available. To ...
... A population is the number of organisms of the same species that live in an ecosystem at the same time. When investigating how populations live in an ecosystem, an important measure is population density. Population density is the size of the population compared to the amount of space available. To ...
The Species Flocks of the Viviparous Freshwater Gastropod
... distinct viviparous gastropods. Molecular phylogenetic data revealed that independent and multiple colonizations of the two lake systems by fluviatile ancestors have led to four morphologically and ecologically diverse adaptive radiations, one in Lake Poso and three in the Malili system. The evoluti ...
... distinct viviparous gastropods. Molecular phylogenetic data revealed that independent and multiple colonizations of the two lake systems by fluviatile ancestors have led to four morphologically and ecologically diverse adaptive radiations, one in Lake Poso and three in the Malili system. The evoluti ...
140818 PPR Redef of Anthroposphere R7.1
... Humanity evolved as one species among an estimated 1.5 million contemporary species. We not only share the same DNA coding schema, the same proteins and the same amino acids as all of the other species, we must also ingest those other species as food. We evolved as a part of the Earth’s trophic web, ...
... Humanity evolved as one species among an estimated 1.5 million contemporary species. We not only share the same DNA coding schema, the same proteins and the same amino acids as all of the other species, we must also ingest those other species as food. We evolved as a part of the Earth’s trophic web, ...