Daphnia species invasion, competitive exclusion, and chaotic
... hypothesis is equivalent to saying that D. lumholtzi is more likely to be limited by food quantity (in carbon biomass) than D. pulex, while D. pulex is more likely to be limited by stoichiometric food quality (algal nutrient content) than D. lumholtzi. Thus, under low light intensity, D. pulex could ...
... hypothesis is equivalent to saying that D. lumholtzi is more likely to be limited by food quantity (in carbon biomass) than D. pulex, while D. pulex is more likely to be limited by stoichiometric food quality (algal nutrient content) than D. lumholtzi. Thus, under low light intensity, D. pulex could ...
Reprinted - RERO DOC
... consumes species i, and 0 otherwise. There is little doubt that the interest and recognition of the importance of ecological networks was bolstered by Darwin (1859) (13) himself, when he described natural communities as an entangled bank: "It is interesting to contemplate an entangled bank, clothed ...
... consumes species i, and 0 otherwise. There is little doubt that the interest and recognition of the importance of ecological networks was bolstered by Darwin (1859) (13) himself, when he described natural communities as an entangled bank: "It is interesting to contemplate an entangled bank, clothed ...
Cohabitation promotes high diversity of clownfishes in the Coral
... to explore what factors facilitate cohabitation. Clownfishes are small bodied (maximum size 8–16 cm) and predominantly feed on plankton in the water column and algae around their host anemones [21]. They form small groups with a strong hierarchical social structure based on body size. They are prota ...
... to explore what factors facilitate cohabitation. Clownfishes are small bodied (maximum size 8–16 cm) and predominantly feed on plankton in the water column and algae around their host anemones [21]. They form small groups with a strong hierarchical social structure based on body size. They are prota ...
Fungal ecology: principles and mechanisms of colonization
... selected characteristics dominate initially, to high stress, e.g. due to extreme abiotic variables, where ...
... selected characteristics dominate initially, to high stress, e.g. due to extreme abiotic variables, where ...
book of abstracts as PDF
... One of the limitations of these standard demographic methods is that they require great field efforts and multiple years before they can provide reliable estimates of risks of extinction/invasion. Unfortunately, their need for high temporal replication is at odds with urgent societal needs for such ...
... One of the limitations of these standard demographic methods is that they require great field efforts and multiple years before they can provide reliable estimates of risks of extinction/invasion. Unfortunately, their need for high temporal replication is at odds with urgent societal needs for such ...
Foraging efficiency of Akodon azarae under different plant cover and
... For the statistical analysis of foraging efficiency, we only considered data of foraging stations where consumption by rodents was confirmed by the presence of droppings and/or hairs in at least one bottle of a pair (covered or open) to avoid over estimation of GUDs. We considered visited each forag ...
... For the statistical analysis of foraging efficiency, we only considered data of foraging stations where consumption by rodents was confirmed by the presence of droppings and/or hairs in at least one bottle of a pair (covered or open) to avoid over estimation of GUDs. We considered visited each forag ...
Journal of Animal - Centre d`études biologiques de Chizé
... will tend to be underestimated. It is also difficult to fit the function to all plant species at once. Slightly reduced accuracy of estimation of the parameters will therefore result from having to analyse separately the data on each species. The method was therefore used just to detect which of Pro ...
... will tend to be underestimated. It is also difficult to fit the function to all plant species at once. Slightly reduced accuracy of estimation of the parameters will therefore result from having to analyse separately the data on each species. The method was therefore used just to detect which of Pro ...
Supporting Information Legends to Fig. S1, Table S1 and
... Fig. S1 The surface elevation table-marker horizon (SET-MH) system is used to measure elevation change and accretion in mangrove forests. (a) SET in a mangrove forest in Belize. The measuring arm is attached to a benchmark rod and leveled; pins are lowered to the soil surface and the distance above ...
... Fig. S1 The surface elevation table-marker horizon (SET-MH) system is used to measure elevation change and accretion in mangrove forests. (a) SET in a mangrove forest in Belize. The measuring arm is attached to a benchmark rod and leveled; pins are lowered to the soil surface and the distance above ...
Plant growth at elevated CO2
... species also respond to increased CO2 levels (11%). This might be due to increased rates of carbon fixation at elevated CO2 in some C4 species. Another explanation might be that in some experiments plants were thought to grow under optimal conditions, when in fact they were suffering from water stre ...
... species also respond to increased CO2 levels (11%). This might be due to increased rates of carbon fixation at elevated CO2 in some C4 species. Another explanation might be that in some experiments plants were thought to grow under optimal conditions, when in fact they were suffering from water stre ...
the evolution of plant functional variation: traits, spectra, and strategies
... species from three independent data sets: 111 species from six sites in the Americas (Reich et al. 1999), filled circles; 79 species from four sites in New South Wales, Australia (Wright et al. 2001, 2002), open circles; and 170 species from a large number of sites and studies from a literature data ...
... species from three independent data sets: 111 species from six sites in the Americas (Reich et al. 1999), filled circles; 79 species from four sites in New South Wales, Australia (Wright et al. 2001, 2002), open circles; and 170 species from a large number of sites and studies from a literature data ...
Fredrik Olajos
... development gives a ring-like structure where the darker patches indicate slow growth. Therefore, the space in between each "ring" represent one year of growth (Picture 1). However, in older fish where growth rate is slowed down or halted, scale development is also greatly reduced, where as otolith ...
... development gives a ring-like structure where the darker patches indicate slow growth. Therefore, the space in between each "ring" represent one year of growth (Picture 1). However, in older fish where growth rate is slowed down or halted, scale development is also greatly reduced, where as otolith ...
682.pdf
... traits representing a trade-off between resource acquisition and resource conservation (Tilman 1990, reviewed in Aerts 1999, Grime and Mackey 2002). Under this framework, perennial plants are expected to maximize resource conservation by making mechanical and chemical investments in tissue that incr ...
... traits representing a trade-off between resource acquisition and resource conservation (Tilman 1990, reviewed in Aerts 1999, Grime and Mackey 2002). Under this framework, perennial plants are expected to maximize resource conservation by making mechanical and chemical investments in tissue that incr ...
1. Which of the following is an example of an abiotic factor? A. the
... 50. Phosphate mining on the island of Nauru has contributed to a sequence of changes in the island ecosystem that ultimately reduced the life expectancy of islanders. True ...
... 50. Phosphate mining on the island of Nauru has contributed to a sequence of changes in the island ecosystem that ultimately reduced the life expectancy of islanders. True ...
Reinforcing loose foundation stones in trait‑based plant ecology
... One useful proxy of fitness that is much easier to measure in the field is relative abundance. Trait values associated with greater fitness in a given environment must, on average, correlate positively with the relative abundance of the species possessing them in that environment. A species with a h ...
... One useful proxy of fitness that is much easier to measure in the field is relative abundance. Trait values associated with greater fitness in a given environment must, on average, correlate positively with the relative abundance of the species possessing them in that environment. A species with a h ...
Reinforcing loose foundation stones in trait
... One useful proxy of fitness that is much easier to measure in the field is relative abundance. Trait values associated with greater fitness in a given environment must, on average, correlate positively with the relative abundance of the species possessing them in that environment. A species with a h ...
... One useful proxy of fitness that is much easier to measure in the field is relative abundance. Trait values associated with greater fitness in a given environment must, on average, correlate positively with the relative abundance of the species possessing them in that environment. A species with a h ...
Recruitment facilitation can promote coexistence and buffer population growth in metacommunities
... of metacommunities. For the two-species model, we first found the equilibrium solutions of the model and determined their local stability using classical analyses. Briefly, this was done by linearising the model around each equilibrium solution, and finding the eigenvalues of the Jacobian matrix. If ...
... of metacommunities. For the two-species model, we first found the equilibrium solutions of the model and determined their local stability using classical analyses. Briefly, this was done by linearising the model around each equilibrium solution, and finding the eigenvalues of the Jacobian matrix. If ...
effects of competition on resource availability and growth of a
... Abstract. In California, little is known about the sensitivity of native bunchgrasses to competition or to changes in resource availability. We investigated the effect of nonnative annual vegetation on resource availability and growth of a native bunchgrass, Nassella pulchra, in a pair of factorial ...
... Abstract. In California, little is known about the sensitivity of native bunchgrasses to competition or to changes in resource availability. We investigated the effect of nonnative annual vegetation on resource availability and growth of a native bunchgrass, Nassella pulchra, in a pair of factorial ...
Progress toward understanding the ecological impacts of nonnative
... species having well-documented invasion histories (Kulhanek et al. 2010a). Positive linear relationships between density and impact have been identified for some nonnative species (Ricciardi 2003, Kulhanek et al. 2010b) and might be common in nature. However, nonlinear impacts may result from interac ...
... species having well-documented invasion histories (Kulhanek et al. 2010a). Positive linear relationships between density and impact have been identified for some nonnative species (Ricciardi 2003, Kulhanek et al. 2010b) and might be common in nature. However, nonlinear impacts may result from interac ...
Effects of habitat loss, habitat fragmentation, and isolation on the
... agricultural landscapes, aphids may reach high densities because of the delay in the arrival of coccinellids to fragments and prey patches (Kareiva, 1987; With et al., 2002). Previously, it was reported that two coccinellid species were more abundant in more fragmented landscapes with closer fragmen ...
... agricultural landscapes, aphids may reach high densities because of the delay in the arrival of coccinellids to fragments and prey patches (Kareiva, 1987; With et al., 2002). Previously, it was reported that two coccinellid species were more abundant in more fragmented landscapes with closer fragmen ...
The Conservation and Ecology of Carnivorous Plants
... remain unanswered. Unfortunately, at the present time, many carnivorous plants are increasingly threatened by anthropogenic activities. Indeed, over half of the carnivorous plant species assessed by the International Union for the Conservation of Nature (IUCN) are listed as ‘threatened’, but the thr ...
... remain unanswered. Unfortunately, at the present time, many carnivorous plants are increasingly threatened by anthropogenic activities. Indeed, over half of the carnivorous plant species assessed by the International Union for the Conservation of Nature (IUCN) are listed as ‘threatened’, but the thr ...
Dear Colleague
... 102. Is there a synoptic model of global patterns of biodiversity? (Maintained at the Institute for Global Biodiversity Simulation, of course). 103. What observable variables can be used to assess the distance of a population from a “tipping-point” beyond which it is in jeopardy of extinction? 104. ...
... 102. Is there a synoptic model of global patterns of biodiversity? (Maintained at the Institute for Global Biodiversity Simulation, of course). 103. What observable variables can be used to assess the distance of a population from a “tipping-point” beyond which it is in jeopardy of extinction? 104. ...
Productivity, dispersal and the coexistence of intraguild predators
... IGP is strong and/or when the Intraguild Prey has an overall advantage, and impedes coexistence when the trade-off is weak and/or when the Intraguild Predator has an overall advantage. Second, the Intraguild Prey’s abundance–productivity relationship depends crucially on the dispersal rate of the In ...
... IGP is strong and/or when the Intraguild Prey has an overall advantage, and impedes coexistence when the trade-off is weak and/or when the Intraguild Predator has an overall advantage. Second, the Intraguild Prey’s abundance–productivity relationship depends crucially on the dispersal rate of the In ...
hierarchical analysis of forest bird species
... strongly interacts with its environment should correspond to the organizational level at which environmental variables affect the species most strongly. Most species interact most strongly with fine-scale habitat within the range of their immediate perception. This is the scale at which predation, c ...
... strongly interacts with its environment should correspond to the organizational level at which environmental variables affect the species most strongly. Most species interact most strongly with fine-scale habitat within the range of their immediate perception. This is the scale at which predation, c ...