Invasive alien species in protected areas
... Invasive alien species are a problem in a great variety of types of protected areas, with national as well as with international designations. Our findings showed 277 Ramsar sites where IAS are reported as a threat either from within the site or from within the catchment. This is 17% of all Ramsar ...
... Invasive alien species are a problem in a great variety of types of protected areas, with national as well as with international designations. Our findings showed 277 Ramsar sites where IAS are reported as a threat either from within the site or from within the catchment. This is 17% of all Ramsar ...
Ecology and Evolution 5(1)
... existence. . ., but also on its being open to other occupants (i.e., empty) or so sparsely or marginally occupied that it involves no great competition.” Lack (1947), perhaps without having yet read Simpson’s book, inferred of the Galapagos’ radiation of finches that “ancestors of Darwin’s finches e ...
... existence. . ., but also on its being open to other occupants (i.e., empty) or so sparsely or marginally occupied that it involves no great competition.” Lack (1947), perhaps without having yet read Simpson’s book, inferred of the Galapagos’ radiation of finches that “ancestors of Darwin’s finches e ...
this thesis - Waddenacademie
... seawalls close to the mean high water level (a common feature in the UK), salt marshes will not be able to migrate further inland. This phenomenon is called ‘coastal squeeze’ (Doody 2004). The situation however, is much more complex because the vertical range of a salt marsh is not only controlled b ...
... seawalls close to the mean high water level (a common feature in the UK), salt marshes will not be able to migrate further inland. This phenomenon is called ‘coastal squeeze’ (Doody 2004). The situation however, is much more complex because the vertical range of a salt marsh is not only controlled b ...
American Mink (Mustela vison) and its impact on native species in
... for native predators, particularly those that have similar lifestyles. In recent years interspecific competition within carnivore communities has been recognised as an important factor in the structuring of an ecosystem, and evidence suggests that competition from recovering otter populations are le ...
... for native predators, particularly those that have similar lifestyles. In recent years interspecific competition within carnivore communities has been recognised as an important factor in the structuring of an ecosystem, and evidence suggests that competition from recovering otter populations are le ...
ESA 2010 handbook - Ecological Society of Australia
... studying population and community dynamics of the boreal forest and tundra regions of western Canada. He is retired from the University of British Columbia and lives in Canberra during the northern winter. ...
... studying population and community dynamics of the boreal forest and tundra regions of western Canada. He is retired from the University of British Columbia and lives in Canberra during the northern winter. ...
South Australian Arid Lands Biodiversity Strategy
... of the country usually responds quickly to rain at any time of the year. In the north, annual rainfall can be less than 150 mm, whilst the rocky hills of the Gawler Ranges often receive over 300 mm. These rugged ranges are the most biologically significant and diverse part of the bioregion, with the ...
... of the country usually responds quickly to rain at any time of the year. In the north, annual rainfall can be less than 150 mm, whilst the rocky hills of the Gawler Ranges often receive over 300 mm. These rugged ranges are the most biologically significant and diverse part of the bioregion, with the ...
Highly resolved early Eocene food webs show development of
... concomitant with a greenhouse-to-icehouse shift in the physical environment, signalled by climate cooling and freshwater flooding of the Arctic Ocean. This shift was attributable to major effects of oceanic heat transport reflected in the Azolla Event [25]. These K–Pg to Messel events (electronic su ...
... concomitant with a greenhouse-to-icehouse shift in the physical environment, signalled by climate cooling and freshwater flooding of the Arctic Ocean. This shift was attributable to major effects of oceanic heat transport reflected in the Azolla Event [25]. These K–Pg to Messel events (electronic su ...
Non-target effects of insect biocontrol agents and trends in host
... For giant silkmoths, some of North America’s largest and most attractive moths, Boettner et al. [20] found high levels of attack on cohorts of larvae of both promethia (Callosamia promethea Drury) and cecropia (Hyalophora cecropia [L.]) moths. For cecropia larvae placed five per tree in the field an ...
... For giant silkmoths, some of North America’s largest and most attractive moths, Boettner et al. [20] found high levels of attack on cohorts of larvae of both promethia (Callosamia promethea Drury) and cecropia (Hyalophora cecropia [L.]) moths. For cecropia larvae placed five per tree in the field an ...
Rountree, R.A., and K.W. Able. 2007
... within the salt marsh. Collectively these gradients form the ‘marsh gradient’. We propose that patterns of marsh use and ecological function for nekton result primarily from physiological and behavioral responses to this marsh gradient. A comparison of habitat use patterns in the context of the mars ...
... within the salt marsh. Collectively these gradients form the ‘marsh gradient’. We propose that patterns of marsh use and ecological function for nekton result primarily from physiological and behavioral responses to this marsh gradient. A comparison of habitat use patterns in the context of the mars ...
The Network Structure of Food Webs
... this as a criterion that ecological communities near equilibrium will tend to be stable if i(SC)1/2 < 1. In May’s framework, connectance refers to the probability that any two species will interact with each other; in a more technical sense, connectance refers to the percentage of non-zero elements ...
... this as a criterion that ecological communities near equilibrium will tend to be stable if i(SC)1/2 < 1. In May’s framework, connectance refers to the probability that any two species will interact with each other; in a more technical sense, connectance refers to the percentage of non-zero elements ...
Understanding broad-scale vegetation patterns Abst
... simple geometrical principles. However, similar principles cannot be easily applied on other macroecological scaling patterns, namely the increase of species richness with environmental productivity and temperature, which lies behind the most prominent biodiversity pattern, the latitudinal diversity ...
... simple geometrical principles. However, similar principles cannot be easily applied on other macroecological scaling patterns, namely the increase of species richness with environmental productivity and temperature, which lies behind the most prominent biodiversity pattern, the latitudinal diversity ...
Invasive Alien Species: A Toolkit of Best Prevention and
... Mechanical and Chemical Control of Seastars in Australia are Not Promising Mechanical Control Methods for Water Hyacinth Chemical Control of Miconia calvescens in Hawaii Overview of Successful Rat Eradications on Islands Eradication of the Black Striped Mussel in Northern Territory, Australia Biolog ...
... Mechanical and Chemical Control of Seastars in Australia are Not Promising Mechanical Control Methods for Water Hyacinth Chemical Control of Miconia calvescens in Hawaii Overview of Successful Rat Eradications on Islands Eradication of the Black Striped Mussel in Northern Territory, Australia Biolog ...
The Impacts of Shoreline Development on Shallow-water Benthic Communities in the Patuxent River, MD
... system-specific physical features on benthic infauna in the Patuxent River, Chesapeake Bay. Forty-five sites were divided among three shoreline types and distributed across three main river zones. At each site, a benthic infaunal suction sample (3-mm mesh), push-core sample (500-µm mesh), sediment s ...
... system-specific physical features on benthic infauna in the Patuxent River, Chesapeake Bay. Forty-five sites were divided among three shoreline types and distributed across three main river zones. At each site, a benthic infaunal suction sample (3-mm mesh), push-core sample (500-µm mesh), sediment s ...
Contents Organising committee - New Zealand Ecological Society
... networking is essential to ensure that ecology within our Pacific region develops the necessary strengths to meet future ecological challenges in an ever-changing world. ...
... networking is essential to ensure that ecology within our Pacific region develops the necessary strengths to meet future ecological challenges in an ever-changing world. ...
Invasive Plants: Ecological and Agricultural Aspects
... Approaches to predicting invasion success across scales of observation, as a function of species characteristics, ecosystem properties, variation in species residence time before establishment, and anthropogenic effects, form a second theme. The authors clearly call for a mechanistic understanding o ...
... Approaches to predicting invasion success across scales of observation, as a function of species characteristics, ecosystem properties, variation in species residence time before establishment, and anthropogenic effects, form a second theme. The authors clearly call for a mechanistic understanding o ...
The Dynamics of Location: Influence of Predation by
... Every freshwater organism chooses a location based on a balance between the chemical and physical characteristics of the body of water they inhabit with its food concentrations and areas of predation risk. All of these components of a body of water can be dynamic, and may fluctuate over time. The pr ...
... Every freshwater organism chooses a location based on a balance between the chemical and physical characteristics of the body of water they inhabit with its food concentrations and areas of predation risk. All of these components of a body of water can be dynamic, and may fluctuate over time. The pr ...
Galápagos macroalgae: A review of the state of ecological knowledge
... At the peak of upwelling, sea surface temperatures across the archipelago can differ by more than 10 °C. Previous work has identified distinct regions within the archipelago, based on both physical characteristics and organismal distributions (e.g. Harris, 1969). Edgar et al. (2004), for example, d ...
... At the peak of upwelling, sea surface temperatures across the archipelago can differ by more than 10 °C. Previous work has identified distinct regions within the archipelago, based on both physical characteristics and organismal distributions (e.g. Harris, 1969). Edgar et al. (2004), for example, d ...
weakly density-dependent mortality and the coexistence of species
... 1967; Bak, 1996; Wilson, 1975)). In this paper, we argue that weakly densitydependent mortality, characterized by fractional exponents slightly greater than one, could potentially have a strong qualitative impact on ecological dynamics; their investigation may shed new light on important current que ...
... 1967; Bak, 1996; Wilson, 1975)). In this paper, we argue that weakly densitydependent mortality, characterized by fractional exponents slightly greater than one, could potentially have a strong qualitative impact on ecological dynamics; their investigation may shed new light on important current que ...
A Toolkit of Best Prevention - Invasive Species Specialist Group
... Mechanical and Chemical Control of Seastars in Australia are Not Promising Mechanical Control Methods for Water Hyacinth Chemical Control of Miconia calvescens in Hawaii Overview of Successful Rat Eradications on Islands Eradication of the Black Striped Mussel in Northern Territory, Australia Biolog ...
... Mechanical and Chemical Control of Seastars in Australia are Not Promising Mechanical Control Methods for Water Hyacinth Chemical Control of Miconia calvescens in Hawaii Overview of Successful Rat Eradications on Islands Eradication of the Black Striped Mussel in Northern Territory, Australia Biolog ...
Importance of the Allee effect for reintroductions1
... In many species, individuals benefit from the presence of conspecifics. The level at which intraspecific competition exceeds the benefits of conspecific presence varies much between species. There is a growing realization that this level can be relatively high in many species. In fact, in some cases ...
... In many species, individuals benefit from the presence of conspecifics. The level at which intraspecific competition exceeds the benefits of conspecific presence varies much between species. There is a growing realization that this level can be relatively high in many species. In fact, in some cases ...
CONTENTS - Hawaiian Ecosystems at Risk project (HEAR)
... GISP is a component of DIVERSITAS, an international programme on biodiversity science. The overall aim of the GISP programme is to assemble the best available data on the background of the invasive alien species problem and the components of an effective solution, then produce a set of tools to help ...
... GISP is a component of DIVERSITAS, an international programme on biodiversity science. The overall aim of the GISP programme is to assemble the best available data on the background of the invasive alien species problem and the components of an effective solution, then produce a set of tools to help ...
ecological community - Department of the Environment
... regional variants and/or sub-components and/or sub-types and/or sub-communities or these could be defined as separate ecological communities. Some communities are widespread and may even occur across several state/territory jurisdictions, while others are more restricted in location (e.g. state or r ...
... regional variants and/or sub-components and/or sub-types and/or sub-communities or these could be defined as separate ecological communities. Some communities are widespread and may even occur across several state/territory jurisdictions, while others are more restricted in location (e.g. state or r ...