Chapter 54(Community Ecology)
... • Character displacement is a tendency for characteristics to be more divergent in sympatric populations of two species than in allopatric populations of the same two species • An example is variation in beak size between populations of two species of Galápagos ...
... • Character displacement is a tendency for characteristics to be more divergent in sympatric populations of two species than in allopatric populations of the same two species • An example is variation in beak size between populations of two species of Galápagos ...
ktf0482
... areas where submarine groundwater discharge (SGD) or seepage occurs rather than in estuaries (Ruwa and Polk, 1986). Mangrove forests in Kenya are currently being heavily exploited (Kokwaro, 1986) especially in urban areas where they are under environmental stress due to uncontrolled disposal of dome ...
... areas where submarine groundwater discharge (SGD) or seepage occurs rather than in estuaries (Ruwa and Polk, 1986). Mangrove forests in Kenya are currently being heavily exploited (Kokwaro, 1986) especially in urban areas where they are under environmental stress due to uncontrolled disposal of dome ...
Use of Riparian Corridors and Vineyards by Mammalian Predators
... highlighted, as are remotely triggered camera sites. Core habitat is distinguished from degraded edge habitat. side of the creek at two selected monitoring points was used as the designated width for each study area. Riparian corridors with an average of 5.9 m (1–8, ±4.0 SD) of nonagricultural veget ...
... highlighted, as are remotely triggered camera sites. Core habitat is distinguished from degraded edge habitat. side of the creek at two selected monitoring points was used as the designated width for each study area. Riparian corridors with an average of 5.9 m (1–8, ±4.0 SD) of nonagricultural veget ...
Ecogeographical Variation in Skull Shape of South
... identified morphological similarities also between omnivores (i.e., canids and viverrids) and we might expect some overlap between South-American taxa with similar diet. Hypothesis 2 relates to the recent findings by Cáceres et al. (2014) and Meloro et al. (2014a, b) on geographical variation of ca ...
... identified morphological similarities also between omnivores (i.e., canids and viverrids) and we might expect some overlap between South-American taxa with similar diet. Hypothesis 2 relates to the recent findings by Cáceres et al. (2014) and Meloro et al. (2014a, b) on geographical variation of ca ...
The emergence and promise of functional biogeography
... and phylogenetic diversities), predict ecosystem functioning and services worldwide, and infuse regional and global conservation programs with a functional basis. Although much recent progress has been made possible because of the rising of multiple data streams, new developments in ecoinformatics, ...
... and phylogenetic diversities), predict ecosystem functioning and services worldwide, and infuse regional and global conservation programs with a functional basis. Although much recent progress has been made possible because of the rising of multiple data streams, new developments in ecoinformatics, ...
Character Displacement in Giant Rhinoceros Beetles
... the smallest individuals) than those of C. atlas of the same body size. Regardless of the size, C. caucasus males have larger and more conspicuous stipples on both sides of the thorax than C. atlas (Mizunuma 1999). Quantitative characters such as body length of the two species greatly differed among ...
... the smallest individuals) than those of C. atlas of the same body size. Regardless of the size, C. caucasus males have larger and more conspicuous stipples on both sides of the thorax than C. atlas (Mizunuma 1999). Quantitative characters such as body length of the two species greatly differed among ...
effects of grazer richness and composition on algal biomass in a
... Hooper et al. 2005). To date, the main focus of experimental studies has been on closed systems that are not open to input of propagules or adults from a surrounding regional environment (Naeem and Li 1997, Downing and Leibold 2002, Duffy et al. 2003). Most natural local systems, however, have some ...
... Hooper et al. 2005). To date, the main focus of experimental studies has been on closed systems that are not open to input of propagules or adults from a surrounding regional environment (Naeem and Li 1997, Downing and Leibold 2002, Duffy et al. 2003). Most natural local systems, however, have some ...
Miranda shoreline shell study
... different organisms. Even at Level 2 there is a requirement for students to be able to ‘use differences and similarities of external characteristics to distinguish broad groups of living things’. By level 4 there is an expectation that students can ‘investigate and classify closely related living th ...
... different organisms. Even at Level 2 there is a requirement for students to be able to ‘use differences and similarities of external characteristics to distinguish broad groups of living things’. By level 4 there is an expectation that students can ‘investigate and classify closely related living th ...
Benthic grazers and suspension feeders: Which one assumes the
... ABSTRACT: Size-frequency histograms of biomass, secondary production, respiration a n d energy flow of 4 dominant macrobenthic communities of the intertidal bay of K6nlgshafen were analysed and compared. In the shallow sandy fiats (Nereis-Corophium-belt [N.C.-belt], seagrass-bed and Arenicola-flat) ...
... ABSTRACT: Size-frequency histograms of biomass, secondary production, respiration a n d energy flow of 4 dominant macrobenthic communities of the intertidal bay of K6nlgshafen were analysed and compared. In the shallow sandy fiats (Nereis-Corophium-belt [N.C.-belt], seagrass-bed and Arenicola-flat) ...
Eco-evolutionary feedbacks during experimental range
... between patches and therefore the potential occurrence of corresponding evolutionary changes. Note that in such experimental evolution approaches the selective pressures (for example, spatial selection, r- and K-selection) are an emergent phenomenon of the experimental set-up. Using video analysis, ...
... between patches and therefore the potential occurrence of corresponding evolutionary changes. Note that in such experimental evolution approaches the selective pressures (for example, spatial selection, r- and K-selection) are an emergent phenomenon of the experimental set-up. Using video analysis, ...
Echolocation in sympatric Peale`s dolphins (Lagenorhynchus
... live sympatrically off the Falkland Islands (Islas Malvinas). As such, they offer a suitable experimental platform for elucidating whether similar trade-offs are at play among the toothed whales between meeting biophysical demands for a given body size, food niche and predation scheme versus the neg ...
... live sympatrically off the Falkland Islands (Islas Malvinas). As such, they offer a suitable experimental platform for elucidating whether similar trade-offs are at play among the toothed whales between meeting biophysical demands for a given body size, food niche and predation scheme versus the neg ...
An African grassland responds similarly to long
... including changes in sward structure, litter levels and light availability [5]. One of the ways to minimize priority effects is to conduct long-term experiments. Longterm experiments of rigorous statistical design that have manipulated many of the major nutrients known to be most limiting to plants ...
... including changes in sward structure, litter levels and light availability [5]. One of the ways to minimize priority effects is to conduct long-term experiments. Longterm experiments of rigorous statistical design that have manipulated many of the major nutrients known to be most limiting to plants ...
Ecological Mechanisms Underlying Arthropod Species Further
... with nest density at three spatial scales (63). Energy limitation was more profound at sites with lower NPP, and sites with higher average temperatures tended to have ants with smaller body size (61). Although mechanisms underlying species-energy theory as a general explanation are currently unresol ...
... with nest density at three spatial scales (63). Energy limitation was more profound at sites with lower NPP, and sites with higher average temperatures tended to have ants with smaller body size (61). Although mechanisms underlying species-energy theory as a general explanation are currently unresol ...
Simulation of potential habitat overlap between red deer (Cervus
... mainly focuses on the following three kinds of relationships among sympatric species: (1) competitive relationships, in particular between invasive and native species, for example, two snake species native to eastern North America, Nerodia fasciata and N. sipedon, disturbed declining native amphibia ...
... mainly focuses on the following three kinds of relationships among sympatric species: (1) competitive relationships, in particular between invasive and native species, for example, two snake species native to eastern North America, Nerodia fasciata and N. sipedon, disturbed declining native amphibia ...
Trait-mediated assembly processes predict successional changes in
... differences can promote local diversity. Understanding these mechanisms requires that we simultaneously quantify their effects on demography and link these effects to community dynamics. Successional forests are ideal systems for testing assembly theory because they exhibit rapid community assembly. ...
... differences can promote local diversity. Understanding these mechanisms requires that we simultaneously quantify their effects on demography and link these effects to community dynamics. Successional forests are ideal systems for testing assembly theory because they exhibit rapid community assembly. ...
MS Word Document - 1.3 MB - Department of Environment, Land
... include: different species being effected in different ways; complex interactions between factors such as habitat and other predators; the baiting strategy being ineffective; the time frame of the control not being sufficient; or fox predation not having a measurable impact. Most studies only monito ...
... include: different species being effected in different ways; complex interactions between factors such as habitat and other predators; the baiting strategy being ineffective; the time frame of the control not being sufficient; or fox predation not having a measurable impact. Most studies only monito ...
Glenelg Ark 2005–2011 - Department of Environment, Land, Water
... include: different species being effected in different ways; complex interactions between factors such as habitat and other predators; the baiting strategy being ineffective; the time frame of the control not being sufficient; or fox predation not having a measurable impact. Most studies only monito ...
... include: different species being effected in different ways; complex interactions between factors such as habitat and other predators; the baiting strategy being ineffective; the time frame of the control not being sufficient; or fox predation not having a measurable impact. Most studies only monito ...
Settlement and recruitment of the
... the benthos when larvae are actually settling from the water column (Luckenbach 1984, Woodin 1986). To determine whether the intertidal patterns of settlers found during the monthly benthic sampling were representative of patterns occurring during larval settlement, I documented larval availability ...
... the benthos when larvae are actually settling from the water column (Luckenbach 1984, Woodin 1986). To determine whether the intertidal patterns of settlers found during the monthly benthic sampling were representative of patterns occurring during larval settlement, I documented larval availability ...
Evolution in metacommunities - Philosophical Transactions of the
... Moving this model to the community level, there are two levels at which ‘propagules’ can be recognized. As with the single-species populations, individual migrants or propagules may migrate to found new communities. In addition, propagules may consist of single species migrating independently of oth ...
... Moving this model to the community level, there are two levels at which ‘propagules’ can be recognized. As with the single-species populations, individual migrants or propagules may migrate to found new communities. In addition, propagules may consist of single species migrating independently of oth ...
Reptile Survey - Planning Public Access
... highly managed agricultural and residential landscapes. 5.0. Recommendations Although no reptiles or great crested newts were discovered during the survey, there is still a very small possibility that these species may be present on site in very small numbers or could move into the habitats within t ...
... highly managed agricultural and residential landscapes. 5.0. Recommendations Although no reptiles or great crested newts were discovered during the survey, there is still a very small possibility that these species may be present on site in very small numbers or could move into the habitats within t ...
46-52. Full article - Entomologica Fennica
... peat bogs by individual sampling along a transect (= ecological gradient) between the margins and the centre of the bog. The margins were mostly forested by small trees and shrubs (mostly various open elfin forest types of Pinus mugo Turra s. lat. = Pinus rotundata Link hybridogenic complex) and the ...
... peat bogs by individual sampling along a transect (= ecological gradient) between the margins and the centre of the bog. The margins were mostly forested by small trees and shrubs (mostly various open elfin forest types of Pinus mugo Turra s. lat. = Pinus rotundata Link hybridogenic complex) and the ...
Living together: behavior and welfare in single and mixed species
... stress from interspecific aggression. We present data on the behavior of single and mixed species groups of capuchin monkeys (Cebus apella) and squirrel monkeys (Saimiri sciureus) housed at the Living Links to Human Evolution Research Centre in the Royal Zoological Society of Scotland’s Edinburgh Zo ...
... stress from interspecific aggression. We present data on the behavior of single and mixed species groups of capuchin monkeys (Cebus apella) and squirrel monkeys (Saimiri sciureus) housed at the Living Links to Human Evolution Research Centre in the Royal Zoological Society of Scotland’s Edinburgh Zo ...
Biodiversity, Stability, and Productivity in Competitive Communities
... case to be the one with the smaller normalized fluctuations. More precisely, we define “temporal stability,” S, as the mean abundance, m, divided by the standard deviation, j, that results from temporal variation in that abundance. That is, S p m/j. If there were no variation at all, temporal stabil ...
... case to be the one with the smaller normalized fluctuations. More precisely, we define “temporal stability,” S, as the mean abundance, m, divided by the standard deviation, j, that results from temporal variation in that abundance. That is, S p m/j. If there were no variation at all, temporal stabil ...
SALCC indicator recommendations
... Reason for selection This index provides an indicator of connectivity from the perspective of multiple species with different home range sizes and connectivity requirements, is being modeled through a SALCC funded project, and resonates with a diversity of audiences. Species in the index include: Bl ...
... Reason for selection This index provides an indicator of connectivity from the perspective of multiple species with different home range sizes and connectivity requirements, is being modeled through a SALCC funded project, and resonates with a diversity of audiences. Species in the index include: Bl ...
Part 5:Regional Shorebird Conservation Goals and Strategies
... Using the species prioritization process developed for the U.S. Shorebird Plan, 14 taxa were identified as species of high concern in Alaska. All species of concern tend to have small global population sizes and/or limited breeding distributions. Seasonal occurrence of priority species was examined ...
... Using the species prioritization process developed for the U.S. Shorebird Plan, 14 taxa were identified as species of high concern in Alaska. All species of concern tend to have small global population sizes and/or limited breeding distributions. Seasonal occurrence of priority species was examined ...