Does eutrophication-driven evolution change aquatic ecosystems?
... eutrophic sections of the lake [9]. Eutrophication also reduced the intensity of sexual selection in stickleback of the Baltic Sea via multiple pathways. In this species, expression of male nuptial coloration and courtship activity are influenced by the outcome of male–male contest competition. Domi ...
... eutrophic sections of the lake [9]. Eutrophication also reduced the intensity of sexual selection in stickleback of the Baltic Sea via multiple pathways. In this species, expression of male nuptial coloration and courtship activity are influenced by the outcome of male–male contest competition. Domi ...
Rapid evolution as an ecological process
... time. The darwin is a measure of proportional change over time defined as a change by a factor of e per million years, where e is the base of natural logarithms. Evolutionary rates measured in darwins over short timescales have provided very different estimates from those measured over long timescal ...
... time. The darwin is a measure of proportional change over time defined as a change by a factor of e per million years, where e is the base of natural logarithms. Evolutionary rates measured in darwins over short timescales have provided very different estimates from those measured over long timescal ...
I. ECOLOGY ECOLOGY - definition ECOLOGY
... "knowing") is the effort to discover, and increase human understanding of how the physical world works. It apples systematic approach to derive cognitions and knowledge about studied phenomena: • Two approaches: Analytical parts elements classification structure quantity ...
... "knowing") is the effort to discover, and increase human understanding of how the physical world works. It apples systematic approach to derive cognitions and knowledge about studied phenomena: • Two approaches: Analytical parts elements classification structure quantity ...
The Keystone Predator Hypothesis - Cal State LA
... an age/size refuge or a spatial refuge. • “Refuged” prey produce young that replenish their population and provide food for predators. • Refuges depend on adaptive limitations of the predators, e.g. intolerance of exposure at low tide, limited prey handling abilities. • In the following examples, “i ...
... an age/size refuge or a spatial refuge. • “Refuged” prey produce young that replenish their population and provide food for predators. • Refuges depend on adaptive limitations of the predators, e.g. intolerance of exposure at low tide, limited prey handling abilities. • In the following examples, “i ...
Brown AmphConsEd
... • Aid herpetologists with labor and time intensive surveys • Develop community stewardship through teachers and students • Creates awareness of ecological concerns amphibians face • Develop inquiry skills and apply skills to science ...
... • Aid herpetologists with labor and time intensive surveys • Develop community stewardship through teachers and students • Creates awareness of ecological concerns amphibians face • Develop inquiry skills and apply skills to science ...
Table S2 - Biodiversity Journal Club
... tolerance drives differences in range size between lentic and lotic water beetles (Coleoptera: Hydrophilidae). Journal of Biogeography, 39, 984-994. Brändle M., Stadler J., Klotz S. & Brandl R. (2003). Distributional range size of weedy plant species is correlated to germination patterns. Ecology, 8 ...
... tolerance drives differences in range size between lentic and lotic water beetles (Coleoptera: Hydrophilidae). Journal of Biogeography, 39, 984-994. Brändle M., Stadler J., Klotz S. & Brandl R. (2003). Distributional range size of weedy plant species is correlated to germination patterns. Ecology, 8 ...
Evaluating Biodiversity in Fragmented Landscapes
... The development of biodiversity evaluation tools will enable forest and land managers to make informed choices at this scale in order to provide sustainable forest landscapes for the future. This Information Note explains the scientific principles behind the approach being developed as BEETLE – Biol ...
... The development of biodiversity evaluation tools will enable forest and land managers to make informed choices at this scale in order to provide sustainable forest landscapes for the future. This Information Note explains the scientific principles behind the approach being developed as BEETLE – Biol ...
Instructor`s Manual to accompany Principles of Life
... Interspecific competition—effect of the other species would be subtracted in the growth model. Consumer–resource interactions—effect of the consumer is subtracted in the equation for the resource species; the effect of the resource is added in the equation for the consumer, since the consumer benefi ...
... Interspecific competition—effect of the other species would be subtracted in the growth model. Consumer–resource interactions—effect of the consumer is subtracted in the equation for the resource species; the effect of the resource is added in the equation for the consumer, since the consumer benefi ...
T insight overview
... The progress made during the past seven years in understanding these issues underscores the potential implications of habitat simplification and loss of diversity for the ecosystem goods and services23 upon which humans depend. The species presently inhabiting Earth are the result of over 3 billion ...
... The progress made during the past seven years in understanding these issues underscores the potential implications of habitat simplification and loss of diversity for the ecosystem goods and services23 upon which humans depend. The species presently inhabiting Earth are the result of over 3 billion ...
population__ecology - wced curriculum development
... available food often limits reproductive output as each individual produces fewer eggs or seeds. Health and survivorship also decrease as crowding results in smaller, less robust individuals. Many predators concentrate on a particular prey when its population density is high, taking a greater percen ...
... available food often limits reproductive output as each individual produces fewer eggs or seeds. Health and survivorship also decrease as crowding results in smaller, less robust individuals. Many predators concentrate on a particular prey when its population density is high, taking a greater percen ...
Detective Work in the West Indies: Integrating Historical
... Why do species using the same habitat on different islands have the same morphological features? Phylogenetic approaches can demonstrate the occurrence of convergence, but they cannot explain why it occurred. Convergent evolution of each of the habitat specialists indicates that adaptation to using ...
... Why do species using the same habitat on different islands have the same morphological features? Phylogenetic approaches can demonstrate the occurrence of convergence, but they cannot explain why it occurred. Convergent evolution of each of the habitat specialists indicates that adaptation to using ...
Ecological Effectiveness: Conservation Goals for Interactive Species
... failed to recognize the species’ profound impacts. By the early 1970s, however, populations had returned to high levels in some areas and remained absent in others, at which point the experiment was underway. But another ingredient was necessary: a conceptual model in which predators are viewed as r ...
... failed to recognize the species’ profound impacts. By the early 1970s, however, populations had returned to high levels in some areas and remained absent in others, at which point the experiment was underway. But another ingredient was necessary: a conceptual model in which predators are viewed as r ...
Life History Analyses
... If the female dies, the breeding male becomes a female, and the next largest male becomes the breeding male. There is a strict pecking order in the group, based on body size. ...
... If the female dies, the breeding male becomes a female, and the next largest male becomes the breeding male. There is a strict pecking order in the group, based on body size. ...
Rewilding and Biodiversity
... Studies are demonstrating that the disappearance of large carnivores often causes these ecosystems to undergo dramatic changes, many of which lead to biotic simplification and species loss (Mills et al. 1993). On land, these changes are often triggered by exploding ungulate populations. For example, ...
... Studies are demonstrating that the disappearance of large carnivores often causes these ecosystems to undergo dramatic changes, many of which lead to biotic simplification and species loss (Mills et al. 1993). On land, these changes are often triggered by exploding ungulate populations. For example, ...
Slide 1
... Subject librarians have prepared a number of guides to research resources available in a range of scientific fields. www.ouls.ox.ac.uk/rsl/e-resources ...
... Subject librarians have prepared a number of guides to research resources available in a range of scientific fields. www.ouls.ox.ac.uk/rsl/e-resources ...
conceptual synthesis in community ecology
... The perspective that synthesis in community ecology can be achieved by organizing processes into the four categories of selection, drift, speciation, and dispersal, flows directly out of a sequence of conceptual developments in community ecology over the last half century. In the 1950s and 60s, G. E ...
... The perspective that synthesis in community ecology can be achieved by organizing processes into the four categories of selection, drift, speciation, and dispersal, flows directly out of a sequence of conceptual developments in community ecology over the last half century. In the 1950s and 60s, G. E ...
Global Population Dynamics and Hot Spots of Response to Climate
... range limits are determined primarily by interactions between a single organism and the abiotic environment (Peterson AT et al. 2002, Pearson and Dawson 2003). This approach may be applicable in single-species systems, but not where distribution or abundance can be influenced by species interactions ...
... range limits are determined primarily by interactions between a single organism and the abiotic environment (Peterson AT et al. 2002, Pearson and Dawson 2003). This approach may be applicable in single-species systems, but not where distribution or abundance can be influenced by species interactions ...
Principles of Ecology
... A. plants and microscopic organisms living B. pH and salt concentration of the soil C. sunlight, soil type and soil nutrients D. temperature, air currents and rainfall ...
... A. plants and microscopic organisms living B. pH and salt concentration of the soil C. sunlight, soil type and soil nutrients D. temperature, air currents and rainfall ...
Processes of ecometric patterning: modelling functional traits
... 1993; Vrba, 1993, 1995; Lister et al., 2005; Wolf, Bernor & Hussain, 2013; Fortelius et al., 2014). Community means of other functional traits such as leaf shape in plants, hind limb posture in mammals, and body proportions in snakes are also known to be sorted ecometrically at continental scales (W ...
... 1993; Vrba, 1993, 1995; Lister et al., 2005; Wolf, Bernor & Hussain, 2013; Fortelius et al., 2014). Community means of other functional traits such as leaf shape in plants, hind limb posture in mammals, and body proportions in snakes are also known to be sorted ecometrically at continental scales (W ...
What are the trophic positions of the stonefly species collected?
... methane concentrations alone explaining 19% of variation. ...
... methane concentrations alone explaining 19% of variation. ...
boughman 2002 tree sensory drive and speciation
... reproductive isolation. Recent comparative and experimental studies offer support to this long-standing idea [1,2]. But we still have very little understanding of how populations come to differ in male signaling traits and female preferences for those traits. This point is crucial. Understanding the ...
... reproductive isolation. Recent comparative and experimental studies offer support to this long-standing idea [1,2]. But we still have very little understanding of how populations come to differ in male signaling traits and female preferences for those traits. This point is crucial. Understanding the ...
