Biotic resistance and facilitation of a non
... across habitats. I studied the effects of native species on this invader across a range of environmental contexts where it is common (mid-intertidal zone, low wave exposure) vs. where it is rare (low intertidal zone, high wave exposure) in Barkley Sound, Vancouver Island, Canada. I carried out facto ...
... across habitats. I studied the effects of native species on this invader across a range of environmental contexts where it is common (mid-intertidal zone, low wave exposure) vs. where it is rare (low intertidal zone, high wave exposure) in Barkley Sound, Vancouver Island, Canada. I carried out facto ...
Relationships between body size and abundance in ecology
... shifts in metabolic rate [12,13]. Thus, differences in c among clades or functional groups might result from the combined effects of energy availability in the environment and the rate at which individuals use energy [19–21]. For example, when resource availability is quantitatively factored into th ...
... shifts in metabolic rate [12,13]. Thus, differences in c among clades or functional groups might result from the combined effects of energy availability in the environment and the rate at which individuals use energy [19–21]. For example, when resource availability is quantitatively factored into th ...
A hierarchical view of habitat and its relationship to species
... For this model to work, one must assume the same general shape for the bell curve for most species under consideration. If one sampled a pool of similar bell-shaped curves, those with broader bases would, on average, have higher peaks and higher mean densities. The assumption of curve similarity la ...
... For this model to work, one must assume the same general shape for the bell curve for most species under consideration. If one sampled a pool of similar bell-shaped curves, those with broader bases would, on average, have higher peaks and higher mean densities. The assumption of curve similarity la ...
Invasion Ecology of Acer platanoides in an Old
... et al. 2007). For instance, Kennedy et al. (2002) concluded that plant community diversity is negatively correlated to niche availability and susceptibility to invasion. In contrast, Stohlgren et al. (2003) found that at broader spatial scales, native plant diversity is positively correlated with ex ...
... et al. 2007). For instance, Kennedy et al. (2002) concluded that plant community diversity is negatively correlated to niche availability and susceptibility to invasion. In contrast, Stohlgren et al. (2003) found that at broader spatial scales, native plant diversity is positively correlated with ex ...
Have coral snake mimics diversified more than non-mimics?
... bioRxiv preprint first posted online Mar. 5, 2016; doi: http://dx.doi.org/10.1101/042440. The copyright holder for this preprint (which was not peer-reviewed) is the author/funder. It is made available under a CC-BY-ND 4.0 International license. ...
... bioRxiv preprint first posted online Mar. 5, 2016; doi: http://dx.doi.org/10.1101/042440. The copyright holder for this preprint (which was not peer-reviewed) is the author/funder. It is made available under a CC-BY-ND 4.0 International license. ...
Adaptive management of temperate reefs to minimise effects
... species abundance data derived from the Reef life Survey citizen science program (http://reeflifesurvey.com/) to examine past, and predict future ecological responses to warming, including assemblage changes, kelp decline and predator-prey relationships. In the initial phase of the study we focussed ...
... species abundance data derived from the Reef life Survey citizen science program (http://reeflifesurvey.com/) to examine past, and predict future ecological responses to warming, including assemblage changes, kelp decline and predator-prey relationships. In the initial phase of the study we focussed ...
The Effect of Hydra on the Outcome of Competition Between
... dation by Hydra. The evolutionary origin of each trait is unknown, but may be, in part, the result of selective pressure by Hydra or other littoral zone predators. The behavior of Simocephalus is such that it spends most of the time attached to substrates and is therefore not in the water column whe ...
... dation by Hydra. The evolutionary origin of each trait is unknown, but may be, in part, the result of selective pressure by Hydra or other littoral zone predators. The behavior of Simocephalus is such that it spends most of the time attached to substrates and is therefore not in the water column whe ...
Community and foodweb ecology of freshwater mussels
... waste products as water exits the shell. Cirri (fused cilia) sweep potential food items from the water toward the mouth. An individual mussel can pump a substantial amount of water through its shell in a 24-h period. The amount of water an individual can filter varies according to many abiotic and b ...
... waste products as water exits the shell. Cirri (fused cilia) sweep potential food items from the water toward the mouth. An individual mussel can pump a substantial amount of water through its shell in a 24-h period. The amount of water an individual can filter varies according to many abiotic and b ...
Impacts of environmental variability in open populations and
... Polis et al., in press). These spatial fluxes are not constant through time, nor do they occur in a world that is otherwise fixed. Ecologists have long recognized the potential importance of temporal variation in the maintenance of species diversity (Chesson and Huntly, 1993). Despite an appreciation ...
... Polis et al., in press). These spatial fluxes are not constant through time, nor do they occur in a world that is otherwise fixed. Ecologists have long recognized the potential importance of temporal variation in the maintenance of species diversity (Chesson and Huntly, 1993). Despite an appreciation ...
Effects of shading on relative competitive
... yield (Hájek et al. 2009), than the species in the forest margins (such as S. capillifolium). As a key process in plant communities, plant-plant interaction has been an important issue in ecological studies since the work of Harper five decades ago (Brooker 2006). In a Sphagnum community, the indivi ...
... yield (Hájek et al. 2009), than the species in the forest margins (such as S. capillifolium). As a key process in plant communities, plant-plant interaction has been an important issue in ecological studies since the work of Harper five decades ago (Brooker 2006). In a Sphagnum community, the indivi ...
Ecological processes regulating geographic distributions of
... distributions or narrow zones of sympatry (Bull 1991; Price and Kirkpatrick 2009). The influences of predator-prey, herbivore-primary producer, and facultative mutualism can also limit the ability of a species to expand its distribution. In another instance, hybridization between closely related spe ...
... distributions or narrow zones of sympatry (Bull 1991; Price and Kirkpatrick 2009). The influences of predator-prey, herbivore-primary producer, and facultative mutualism can also limit the ability of a species to expand its distribution. In another instance, hybridization between closely related spe ...
4H Science Toolkit - Lost Ladybug Project
... The lessons in this unit were developed by the Lost Ladybug Project based at Cornell University in the Department of Entomology. About the project: The Lost Ladybug Project was set in motion at a small number of schools in New York State in 2004. Now it is active in many states in the U.S. It is a c ...
... The lessons in this unit were developed by the Lost Ladybug Project based at Cornell University in the Department of Entomology. About the project: The Lost Ladybug Project was set in motion at a small number of schools in New York State in 2004. Now it is active in many states in the U.S. It is a c ...
Refuges, Biological Disturbance, and Rocky Subtidal Community Structure in New... Author(s): Jon D. Witman
... Cluster analysis was used to classify species into groups with similar patterns of distribution. Species density data were input as a two-way data matrix consisting of 80 species (rows) x 30 samples (columns) into the CLUSTAN 2.1 computer program (Wishart 1982). The matrix analyzed was a subset of t ...
... Cluster analysis was used to classify species into groups with similar patterns of distribution. Species density data were input as a two-way data matrix consisting of 80 species (rows) x 30 samples (columns) into the CLUSTAN 2.1 computer program (Wishart 1982). The matrix analyzed was a subset of t ...
View PDF - CiteSeerX
... Scheffer 1997). The two regimes of most concern to people who use the lakes are the clear-water and turbid-water regimes. In the clear-water regime, phosphorus inputs, phytoplankton biomass, and recycling of phosphorus from sediments are relatively low. In the turbid-water regime, these same variabl ...
... Scheffer 1997). The two regimes of most concern to people who use the lakes are the clear-water and turbid-water regimes. In the clear-water regime, phosphorus inputs, phytoplankton biomass, and recycling of phosphorus from sediments are relatively low. In the turbid-water regime, these same variabl ...
Clonal growth and plant species abundance - Clo-Pla
... and Garnier, 2002) that are assumed to approximate important field processes and for which data collection is relatively easy (see e.g. Westoby, 1998). However, the soft traits that have traditionally been used in examinations of trait – abundance relationships have not included any that represent t ...
... and Garnier, 2002) that are assumed to approximate important field processes and for which data collection is relatively easy (see e.g. Westoby, 1998). However, the soft traits that have traditionally been used in examinations of trait – abundance relationships have not included any that represent t ...
Predicting and Detecting Reciprocity between Indirect Ecological
... choose from if one wants to search for ongoing reciprocity between ecology and evolution. The ecological context within which species succeed or fail is an essential part of the interplay between ecology and evolution. At the most fundamental level, one would like to know the relative importance of ...
... choose from if one wants to search for ongoing reciprocity between ecology and evolution. The ecological context within which species succeed or fail is an essential part of the interplay between ecology and evolution. At the most fundamental level, one would like to know the relative importance of ...
Feeding Relationships Among Species of Notropis (Pisces
... in eight sampling periods during 1970-71 suggest a separation between the relatively sedentary bottom fauna, composed of oligochaetes, isopods, several genera of chironomids, tipulids, and trichopterans; and the drift fauna, composed of copepods, chironomids of the subfamily Orthocladiinae, ephemero ...
... in eight sampling periods during 1970-71 suggest a separation between the relatively sedentary bottom fauna, composed of oligochaetes, isopods, several genera of chironomids, tipulids, and trichopterans; and the drift fauna, composed of copepods, chironomids of the subfamily Orthocladiinae, ephemero ...
Mycorrhizal fungal establishment in agricultural soils: factors
... response to culturing of non-host plants, high nutrient levels, or other adverse environmental ...
... response to culturing of non-host plants, high nutrient levels, or other adverse environmental ...
Eco07
... A positive relationship may be secondary and not causal, in that stable ecosystems promote high diversity but not necessarily the other way around. Species is very much influenced by the functional relationships between trophic levels. • Moderate predation may increase diversity. ...
... A positive relationship may be secondary and not causal, in that stable ecosystems promote high diversity but not necessarily the other way around. Species is very much influenced by the functional relationships between trophic levels. • Moderate predation may increase diversity. ...
Are the negative effects of roads on breeding birds
... Secondly, anthropogenic noise could distract individuals, making them more vulnerable to predation, as suggested by YimHol Chan et al. (2010). Alternatively, noise could cause an increase in anti-predator vigilance, which could indirectly affect bird reproductive rate by reducing foraging time (Quinn ...
... Secondly, anthropogenic noise could distract individuals, making them more vulnerable to predation, as suggested by YimHol Chan et al. (2010). Alternatively, noise could cause an increase in anti-predator vigilance, which could indirectly affect bird reproductive rate by reducing foraging time (Quinn ...
REGIME SHIFTS, RESILIENCE, AND BIODIVERSITY IN
... Scheffer 1997). The two regimes of most concern to people who use the lakes are the clear-water and turbid-water regimes. In the clear-water regime, phosphorus inputs, phytoplankton biomass, and recycling of phosphorus from sediments are relatively low. In the turbid-water regime, these same variabl ...
... Scheffer 1997). The two regimes of most concern to people who use the lakes are the clear-water and turbid-water regimes. In the clear-water regime, phosphorus inputs, phytoplankton biomass, and recycling of phosphorus from sediments are relatively low. In the turbid-water regime, these same variabl ...
Ecology
... down, can open patches of resources for other individuals. A mosaic of disturbed patches can promote species diversity over time, but might not lead to much successional change. ...
... down, can open patches of resources for other individuals. A mosaic of disturbed patches can promote species diversity over time, but might not lead to much successional change. ...
Harmonia axyridis in Europe: spread and distribution of a non
... Harmonia axyridis was used as a biological control agent in Belgium from 1997 (Adriaens et al. 2003). A large-scale ladybird field survey (Coccinula––Belgian ladybird working group, http://www.inbo.be/content/page.asp?pid=EN_FAU_INS_LAD_start) was launched in 1999 in the Walloon region, and 2001 in ...
... Harmonia axyridis was used as a biological control agent in Belgium from 1997 (Adriaens et al. 2003). A large-scale ladybird field survey (Coccinula––Belgian ladybird working group, http://www.inbo.be/content/page.asp?pid=EN_FAU_INS_LAD_start) was launched in 1999 in the Walloon region, and 2001 in ...