community - canesbio
... Overview: A Sense of Community • A biological community is an assemblage of populations of various species living close enough for potential interaction. ...
... Overview: A Sense of Community • A biological community is an assemblage of populations of various species living close enough for potential interaction. ...
ktf0482
... mangrove forest has been partly cleared for salt farming and prawn cultivation while the Gazi mangroves are being exploited for wood both for building and fuel. These forests are the tyPes referred to as creek mangroves (Macnae, 1968). They are well developed and show zonation of mangrove species. T ...
... mangrove forest has been partly cleared for salt farming and prawn cultivation while the Gazi mangroves are being exploited for wood both for building and fuel. These forests are the tyPes referred to as creek mangroves (Macnae, 1968). They are well developed and show zonation of mangrove species. T ...
Population genetic structure across dissolved oxygen regimes in an
... P O P U L AT I O N S T R U C T U R E A C R O S S O X Y G E N R E G I M E S 2135 (Boughman et al. 2005; Rundle et al. 2005), and together, these phenomena constitute the process of ecological speciation (Schluter 2000, 2001; Rundle & Nosil 2005). An effect of divergent selection on population struct ...
... P O P U L AT I O N S T R U C T U R E A C R O S S O X Y G E N R E G I M E S 2135 (Boughman et al. 2005; Rundle et al. 2005), and together, these phenomena constitute the process of ecological speciation (Schluter 2000, 2001; Rundle & Nosil 2005). An effect of divergent selection on population struct ...
Spatial distribution and abundance of the giant tiger prawn
... is part of the process of naturalization described by Lockwood et al. (2007). In order to confirm the establishment of P. monodon in the region, it is necessary to develop further research that should focus on all life stages as only information on large juveniles and adults is currently available. ...
... is part of the process of naturalization described by Lockwood et al. (2007). In order to confirm the establishment of P. monodon in the region, it is necessary to develop further research that should focus on all life stages as only information on large juveniles and adults is currently available. ...
Chapter 54
... Concept 54.1: Community interactions are classified by whether they help, harm, or have no effect on the species involved • Ecologists call relationships between species in a community interspecific interactions • Examples are competition, predation, herbivory, and symbiosis (parasitism, mutualism, ...
... Concept 54.1: Community interactions are classified by whether they help, harm, or have no effect on the species involved • Ecologists call relationships between species in a community interspecific interactions • Examples are competition, predation, herbivory, and symbiosis (parasitism, mutualism, ...
Interpreting the `selection effect` of biodiversity on ecosystem function
... ‘selection effect’ and natural selection that seems to make the additive partition partially analogous to the Price Equation; Loreau & Hector (2001) do not suggest any evolutionary analogue to the ‘complementarity effect’. Here I clarify the relationship between the ‘selection effect’ and natural se ...
... ‘selection effect’ and natural selection that seems to make the additive partition partially analogous to the Price Equation; Loreau & Hector (2001) do not suggest any evolutionary analogue to the ‘complementarity effect’. Here I clarify the relationship between the ‘selection effect’ and natural se ...
Patterns of selection of two North American native and nonnative
... pollinator attraction and successful pollen transfer to stigmas on the same or different individuals (for example, Arathi & Kelly, 2004; Fenster et al., 2004). Traditional phenotypic selection studies in the field have provided a valuable snapshot of the patterns of selection within and across envir ...
... pollinator attraction and successful pollen transfer to stigmas on the same or different individuals (for example, Arathi & Kelly, 2004; Fenster et al., 2004). Traditional phenotypic selection studies in the field have provided a valuable snapshot of the patterns of selection within and across envir ...
Behavioural and physiological traits to thermal stress tolerance in
... hierarchies. The lower thermal limitation of subordinate activity not only increased their exploitative ability, but also altered the outcome of interspecific interactions at food resources modifying the interference hierarchy (Cerdá et al., 1997). Recently, the prevalent view of community structuri ...
... hierarchies. The lower thermal limitation of subordinate activity not only increased their exploitative ability, but also altered the outcome of interspecific interactions at food resources modifying the interference hierarchy (Cerdá et al., 1997). Recently, the prevalent view of community structuri ...
Managing arid zone natural resources in Australia for spatial and
... While there are some geomorphic controls on aspects of spatial heterogeneity, all these factors mean that even the spatial pattern of heterogeneity varies over time. Heterogeneity modulated by other organisms Lastly, some emergent relationships among organisms arise as a result of the sum of all the ...
... While there are some geomorphic controls on aspects of spatial heterogeneity, all these factors mean that even the spatial pattern of heterogeneity varies over time. Heterogeneity modulated by other organisms Lastly, some emergent relationships among organisms arise as a result of the sum of all the ...
Téléchargement
... associated with these processes. The resulting analyses will be an important contribution to fundamental knowledge of cephalopod life cycles and will be valuable for comparative purposes as information from Antarctic species becomes available. It is known that cephalopods generally have high growth ...
... associated with these processes. The resulting analyses will be an important contribution to fundamental knowledge of cephalopod life cycles and will be valuable for comparative purposes as information from Antarctic species becomes available. It is known that cephalopods generally have high growth ...
Ecological restoration at Mainland Islands in New Zealand
... isolation of islands. Being surrounded by water, colonisation of islands by species with poor dispersal capabilities is limited. This means that many New Zealand species can be managed as discrete populations on islands, and that the risk of invasion by terrestrial pests is generally lower than at m ...
... isolation of islands. Being surrounded by water, colonisation of islands by species with poor dispersal capabilities is limited. This means that many New Zealand species can be managed as discrete populations on islands, and that the risk of invasion by terrestrial pests is generally lower than at m ...
species replacement during early secondary succession
... consists of eight species removal treatments and a control that are analyzed as sets of factorial experiments. In this paper we present data from two of these experiments (seven of nine treatments; Table 1). The first experiment examines the responses of Senecio to removal of potential competitors ( ...
... consists of eight species removal treatments and a control that are analyzed as sets of factorial experiments. In this paper we present data from two of these experiments (seven of nine treatments; Table 1). The first experiment examines the responses of Senecio to removal of potential competitors ( ...
Orchard Grass
... before seeds set. In some locales, Orchard Grass is reported to decline after repeated summer burns, while in other areas it reportedly persists after a burn. Numerous herbicides are effective on Orchard Grass; however, they are not ...
... before seeds set. In some locales, Orchard Grass is reported to decline after repeated summer burns, while in other areas it reportedly persists after a burn. Numerous herbicides are effective on Orchard Grass; however, they are not ...
Effects of invasive Pacific red lionfish Pterois volitans
... provided a comparison of effect sizes between the two predator species, and could also be interpreted to represent a possible future scenario where lionfish have excluded or replaced native predators. Resident-predator treatments were established by transplanting onto the experimental reefs from oth ...
... provided a comparison of effect sizes between the two predator species, and could also be interpreted to represent a possible future scenario where lionfish have excluded or replaced native predators. Resident-predator treatments were established by transplanting onto the experimental reefs from oth ...
twenty-seven years of wildcats and kittens
... and in two cases have been documented to deliberately stalk and kill adult goannas. “…At 1600 hrs on 27 March 1996 we were radio tracking a female goanna which had been known in the study population for seventeen years. The signal came from an area that she seldom used. She was tracked to the entran ...
... and in two cases have been documented to deliberately stalk and kill adult goannas. “…At 1600 hrs on 27 March 1996 we were radio tracking a female goanna which had been known in the study population for seventeen years. The signal came from an area that she seldom used. She was tracked to the entran ...
Dialogues in Human Geography
... Vayda span the range of key subfields in humanenvironment geography: land change science (Turner), political ecology (Klooster, Rocheleau), and cultural ecology (Doolittle). The diverse efforts to build bridges across disparate fields in humanenvironment studies (including not only the above three s ...
... Vayda span the range of key subfields in humanenvironment geography: land change science (Turner), political ecology (Klooster, Rocheleau), and cultural ecology (Doolittle). The diverse efforts to build bridges across disparate fields in humanenvironment studies (including not only the above three s ...
Effects of invasive Pacific red lionfish Pterois volitans
... provided a comparison of effect sizes between the two predator species, and could also be interpreted to represent a possible future scenario where lionfish have excluded or replaced native predators. Resident-predator treatments were established by transplanting onto the experimental reefs from oth ...
... provided a comparison of effect sizes between the two predator species, and could also be interpreted to represent a possible future scenario where lionfish have excluded or replaced native predators. Resident-predator treatments were established by transplanting onto the experimental reefs from oth ...
Managing zone-of-influence effects of oil and gas activities on
... Abiotic changes (e.g., temperature, wind, humidity) in areas adjacent to edges directly affect biotic processes such as plant desiccation, growth rates, and windthrow, but these effects can be complex. For example, forest edges might be associated with higher tree mortality rates but also higher rat ...
... Abiotic changes (e.g., temperature, wind, humidity) in areas adjacent to edges directly affect biotic processes such as plant desiccation, growth rates, and windthrow, but these effects can be complex. For example, forest edges might be associated with higher tree mortality rates but also higher rat ...
Document
... its ability to develop defensive spines. To investigate the relevance of this feature to Daphnia survival, laboratory experiments were carried out to compare the population dynamics of D. lumholtzi with Daphnia pulicaria, the most widely distributed American species. All the experiments were conduct ...
... its ability to develop defensive spines. To investigate the relevance of this feature to Daphnia survival, laboratory experiments were carried out to compare the population dynamics of D. lumholtzi with Daphnia pulicaria, the most widely distributed American species. All the experiments were conduct ...
Feeding behavior of the longsnout seahorseHippocampus
... Environment, Brazil) that has been poorly studied in the wild (e.g., Dauwe 1992; Nijhoff 1993; Rosa et al. 2002; Dias and Rosa 2003). As a result, it is presently listed by The World Conservation Union under the category Data Deficient (IUCN 2004). H. reidi is recognized as a difficult species to ra ...
... Environment, Brazil) that has been poorly studied in the wild (e.g., Dauwe 1992; Nijhoff 1993; Rosa et al. 2002; Dias and Rosa 2003). As a result, it is presently listed by The World Conservation Union under the category Data Deficient (IUCN 2004). H. reidi is recognized as a difficult species to ra ...
Issues of Elk Productivity for Research and
... the past century. The species’ popular appeal as an animal for hunting and viewing, and its potential to damage agricultural crops and compete with livestock make it a species that is closely scrutinized by managers and many public interests. Today, elk continue to have significant ecological, cultu ...
... the past century. The species’ popular appeal as an animal for hunting and viewing, and its potential to damage agricultural crops and compete with livestock make it a species that is closely scrutinized by managers and many public interests. Today, elk continue to have significant ecological, cultu ...
Seedling survival and seed size
... 1 Large-seeded species have long been known to have higher survivorship during establishment than small-seeded species. Here, we assessed the size of this advantage by compiling published data on survival through seedling emergence, seedling establishment and sapling establishment. 2 We found no rel ...
... 1 Large-seeded species have long been known to have higher survivorship during establishment than small-seeded species. Here, we assessed the size of this advantage by compiling published data on survival through seedling emergence, seedling establishment and sapling establishment. 2 We found no rel ...
Theoretical ecology
Theoretical ecology is the scientific discipline devoted to the study of ecological systems using theoretical methods such as simple conceptual models, mathematical models, computational simulations, and advanced data analysis. Effective models improve understanding of the natural world by revealing how the dynamics of species populations are often based on fundamental biological conditions and processes. Further, the field aims to unify a diverse range of empirical observations by assuming that common, mechanistic processes generate observable phenomena across species and ecological environments. Based on biologically realistic assumptions, theoretical ecologists are able to uncover novel, non-intuitive insights about natural processes. Theoretical results are often verified by empirical and observational studies, revealing the power of theoretical methods in both predicting and understanding the noisy, diverse biological world.The field is broad and includes foundations in applied mathematics, computer science, biology, statistical physics, genetics, chemistry, evolution, and conservation biology. Theoretical ecology aims to explain a diverse range of phenomena in the life sciences, such as population growth and dynamics, fisheries, competition, evolutionary theory, epidemiology, animal behavior and group dynamics, food webs, ecosystems, spatial ecology, and the effects of climate change.Theoretical ecology has further benefited from the advent of fast computing power, allowing the analysis and visualization of large-scale computational simulations of ecological phenomena. Importantly, these modern tools provide quantitative predictions about the effects of human induced environmental change on a diverse variety of ecological phenomena, such as: species invasions, climate change, the effect of fishing and hunting on food network stability, and the global carbon cycle.