Inclusion of facilitation into ecological theory
... competitive exclusion principle, and both Hutchinson’s and MacArthur’s work on the niche and species packing. The influence of these and other related ideas on ecology was enormous, because they set both theoretical and empirical ecology on a course with little digression for over 50 years. During t ...
... competitive exclusion principle, and both Hutchinson’s and MacArthur’s work on the niche and species packing. The influence of these and other related ideas on ecology was enormous, because they set both theoretical and empirical ecology on a course with little digression for over 50 years. During t ...
Section 3 overview of potential threats
... Hydrology (processes involving water) is the main driver to the presence, nature and dynamics of aquatic habitats. The hydrology of different habitat types or systems can vary considerably, depending on the source of water, position in a landscape and local climate and geology. Sources of water incl ...
... Hydrology (processes involving water) is the main driver to the presence, nature and dynamics of aquatic habitats. The hydrology of different habitat types or systems can vary considerably, depending on the source of water, position in a landscape and local climate and geology. Sources of water incl ...
Composition of Mix Species Foraging Flocks of Birds in Riverstan of
... Gray Headed Canary Flycatcher is absent. Black Bulbul and Jungle squirrel give alarm calls. The relative configurations of territories of flock participants have a major impact on flock membership and stability. As a flock moves through its range, species join and leave the group within the constrai ...
... Gray Headed Canary Flycatcher is absent. Black Bulbul and Jungle squirrel give alarm calls. The relative configurations of territories of flock participants have a major impact on flock membership and stability. As a flock moves through its range, species join and leave the group within the constrai ...
Fig. 3 - ePrints Soton - University of Southampton
... of dominant species are more widespread responses to directional forcing. However, despite the repercussions for ecosystem functioning such changes have received little attention. Here, we experimentally assess how the rearrangement of species dominance structure within specific levels of evenness, ...
... of dominant species are more widespread responses to directional forcing. However, despite the repercussions for ecosystem functioning such changes have received little attention. Here, we experimentally assess how the rearrangement of species dominance structure within specific levels of evenness, ...
Lichens - Corridor appalachien
... Lichens are an integral part of the ecosystem, making nutrients available to other biota, fixing nitrogen, and providing food and shelter for vertebrates and invertebrates alike. Their diversity can be conserved by protecting their habitats. Lichens can also be excellent indicators of air quality an ...
... Lichens are an integral part of the ecosystem, making nutrients available to other biota, fixing nitrogen, and providing food and shelter for vertebrates and invertebrates alike. Their diversity can be conserved by protecting their habitats. Lichens can also be excellent indicators of air quality an ...
Distribution/abundance relations in a New Zealand grassland
... Lisa K. Russell, Sarah J. Evans, Laurence Smith, Cees M. Bevers, Andrew P. Luxford, Wendy J. Stubbs and J. Bastow Wilson* Botany Department, University of Otago, P.O. Box 56, Dunedin, New Zealand ...
... Lisa K. Russell, Sarah J. Evans, Laurence Smith, Cees M. Bevers, Andrew P. Luxford, Wendy J. Stubbs and J. Bastow Wilson* Botany Department, University of Otago, P.O. Box 56, Dunedin, New Zealand ...
presence of arthropod pests on eight species of banker plants in a
... agents. Biological control agents such as predatory mites are released onto the BPs and as they reproduce and increase in numbers, they spread out into the rest of the greenhouse. These secondary plants (Parolin et al. 2012b) can be very useful in that they provide a means of continuous release of n ...
... agents. Biological control agents such as predatory mites are released onto the BPs and as they reproduce and increase in numbers, they spread out into the rest of the greenhouse. These secondary plants (Parolin et al. 2012b) can be very useful in that they provide a means of continuous release of n ...
20Molles5e
... horizons show significant increase from pioneer community. In addition, organic content, moisture, and N concentrations all increased. Physical and biological systems are inseparable. ...
... horizons show significant increase from pioneer community. In addition, organic content, moisture, and N concentrations all increased. Physical and biological systems are inseparable. ...
The canopy beetle faunas of Gondwanan element trees in Chilean
... situation. It is now possible to establish whether the relative sizes of the canopy guilds of Gondwanan-derived forests are consistent with or divergent from those found in other regions. This study is intended to describe the coleopteran diversity of the canopies of two important Gondwanan tree gen ...
... situation. It is now possible to establish whether the relative sizes of the canopy guilds of Gondwanan-derived forests are consistent with or divergent from those found in other regions. This study is intended to describe the coleopteran diversity of the canopies of two important Gondwanan tree gen ...
Designing an Ecological Study
... species in different habitats) is one way to do this. Such comparisons will almost always reveal differences, some of which may provide the basis for a productive study. When such comparisons are being made, one should think about the kind of sampling and analysis that will be needed to determine if ...
... species in different habitats) is one way to do this. Such comparisons will almost always reveal differences, some of which may provide the basis for a productive study. When such comparisons are being made, one should think about the kind of sampling and analysis that will be needed to determine if ...
SCALE INSECTS (Hemiptera, Sternorrhyncha, Coccoidea)
... exclusively on parts of ligneous plants. Euonymus scale insect [Unaspis evonymi (Comstock)] was also introduced in Poland on Japanese spindle from Italy [Łabanowski and Soika 1998]. In South Europe, this scale insect is known as a pest to many species of ornamental spindle [Kozarzhevskaya 1992]. So ...
... exclusively on parts of ligneous plants. Euonymus scale insect [Unaspis evonymi (Comstock)] was also introduced in Poland on Japanese spindle from Italy [Łabanowski and Soika 1998]. In South Europe, this scale insect is known as a pest to many species of ornamental spindle [Kozarzhevskaya 1992]. So ...
Tale of Two Scorpions - Teacher Copy2
... (0.63) and inspected (0.60) was greater than 0.50. The proportion of times the painless species was tipped (0.89), attacked (1.00), and consumed (1.00) was greater than 0.50. In fact, there was never a trial where the mice chose to attack or consume the painful species first. Explain your reasoning ...
... (0.63) and inspected (0.60) was greater than 0.50. The proportion of times the painless species was tipped (0.89), attacked (1.00), and consumed (1.00) was greater than 0.50. In fact, there was never a trial where the mice chose to attack or consume the painful species first. Explain your reasoning ...
Appendix A Exhibit H to Implementation Agreement
... if any other animal which is otherwise a Covered Species is found dead or injured. 6. Construction of Supply/Recovery Canal Within sixty days prior to the construction of the supply/recovery canal within the zone marked within the Map of the Kern Water Bank, KWBA shall conduct a limited survey wi ...
... if any other animal which is otherwise a Covered Species is found dead or injured. 6. Construction of Supply/Recovery Canal Within sixty days prior to the construction of the supply/recovery canal within the zone marked within the Map of the Kern Water Bank, KWBA shall conduct a limited survey wi ...
Time asymmetry in the palaeobiogeographic history of species
... history, through a local origin and dispersal, has been formulated by Cuvier [1798]: “It seems that in the beginning, each animal and even plant species did not exist but in a particular region, from where it spread according to the capabilities given by its configuration. Even now, several of them ...
... history, through a local origin and dispersal, has been formulated by Cuvier [1798]: “It seems that in the beginning, each animal and even plant species did not exist but in a particular region, from where it spread according to the capabilities given by its configuration. Even now, several of them ...
as a PDF
... Assembled communities from the three scenarios All 20 communities assembled with single species attempting to invade per time step at low densities (scenario A) reached an invasion resistant state (Figure 2). These invasion resistant states represented multiple equilibria, differing in both diversit ...
... Assembled communities from the three scenarios All 20 communities assembled with single species attempting to invade per time step at low densities (scenario A) reached an invasion resistant state (Figure 2). These invasion resistant states represented multiple equilibria, differing in both diversit ...
Gambusia removal guidelines 2011
... to be a successful eradication strategy, many regions or specific sites are not suitable to these techniques e.g. fragile ecosystems or the presence of threatened fish species. It may then be worth considering physical removal, which will minimise impacts on non-target biota. ...
... to be a successful eradication strategy, many regions or specific sites are not suitable to these techniques e.g. fragile ecosystems or the presence of threatened fish species. It may then be worth considering physical removal, which will minimise impacts on non-target biota. ...
PDF Full-text
... ecological communities for developing quantitative methods for mutualistic networks. Quantitative methods in turn are crucial to assess the degree to which mutualisms determine the relative species abundances, recognized as a fundamental question that, if answered, would substantially advance popula ...
... ecological communities for developing quantitative methods for mutualistic networks. Quantitative methods in turn are crucial to assess the degree to which mutualisms determine the relative species abundances, recognized as a fundamental question that, if answered, would substantially advance popula ...
2.71 mb pdf - Environmental Information Service
... the Zambezi-Chobe floodplain to Lake Liambezi on an irregular basis dependent on the height of the annual Zambezi flood. This gravel pit is now mainly artificial, resulting from gravel extraction for road construction, but retains varied habitat including areas suitable for Nothobranchius survival. ...
... the Zambezi-Chobe floodplain to Lake Liambezi on an irregular basis dependent on the height of the annual Zambezi flood. This gravel pit is now mainly artificial, resulting from gravel extraction for road construction, but retains varied habitat including areas suitable for Nothobranchius survival. ...
Guidelines for physical removal of Eastern Gambusia
... The Alien fish threat Alien fish species are recognised as one of eight major threats to native fish in the Murray-Darling Basin (MDB) and the control of these species is one of the key driving actions of the MurrayDarling Basin Authority’s Native Fish Strategy. Eastern Gambusia (Gambusia holbrooki) ...
... The Alien fish threat Alien fish species are recognised as one of eight major threats to native fish in the Murray-Darling Basin (MDB) and the control of these species is one of the key driving actions of the MurrayDarling Basin Authority’s Native Fish Strategy. Eastern Gambusia (Gambusia holbrooki) ...
Practice Exam 1
... Consider a system in which there are two predators. For example, bats might take an insect when it flies, and shrews may take the insect when it lands on the ground. From an evolutionary perspective, what problem does this pose? a. The insect will be easily confused. b. Insect densities will be too ...
... Consider a system in which there are two predators. For example, bats might take an insect when it flies, and shrews may take the insect when it lands on the ground. From an evolutionary perspective, what problem does this pose? a. The insect will be easily confused. b. Insect densities will be too ...
GEO BON and its contribution to global biodiversity observations
... establishing standards and interoperability • Providing a set of innovative and relevant global products • Advocating long term continuity of data supply (moving observations from the experimental to operational spheres) and data sharing ...
... establishing standards and interoperability • Providing a set of innovative and relevant global products • Advocating long term continuity of data supply (moving observations from the experimental to operational spheres) and data sharing ...
Ecological approaches to human nutrition
... the role that ecosystems play in providing the essential elements of human diets. How does the combination of environment, communities, and species and human modification of these assemblages impact human nutrition? How can ecological knowledge of species–environment interactions be used as a means ...
... the role that ecosystems play in providing the essential elements of human diets. How does the combination of environment, communities, and species and human modification of these assemblages impact human nutrition? How can ecological knowledge of species–environment interactions be used as a means ...
plant functional markers capture ecosystem properties during
... cycles in ecosystems: primary productivity, decomposition of leaf litter, and soil carbon and nitrogen stocks. The species traits selected therefore pertain to the processing of these resources at the plant level, with the underlying assumption that these would scale up to ecosystem functioning (Cha ...
... cycles in ecosystems: primary productivity, decomposition of leaf litter, and soil carbon and nitrogen stocks. The species traits selected therefore pertain to the processing of these resources at the plant level, with the underlying assumption that these would scale up to ecosystem functioning (Cha ...
Wallabies in South West Vic Mar 2006 RB
... the Black Wallaby (Wallabia bicolor), also known as Swamp Wallaby. Until very recently we had another, the Brush-tailed Rock Wallaby (Petrogale penicillata), but the last individual of the tiny population in the Victoria Range of the Grampians was last seen in 2003. Its decline was undoubtedly due t ...
... the Black Wallaby (Wallabia bicolor), also known as Swamp Wallaby. Until very recently we had another, the Brush-tailed Rock Wallaby (Petrogale penicillata), but the last individual of the tiny population in the Victoria Range of the Grampians was last seen in 2003. Its decline was undoubtedly due t ...
Island restoration
The ecological restoration of islands, or island restoration, is the application of the principles of ecological restoration to islands and island groups. Islands, due to their isolation, are home to many of the world's endemic species, as well as important breeding grounds for seabirds and some marine mammals. Their ecosystems are also very vulnerable to human disturbance and particularly to introduced species, due to their small size. Island groups such as New Zealand and Hawaii have undergone substantial extinctions and losses of habitat. Since the 1950s several organisations and government agencies around the world have worked to restore islands to their original states; New Zealand has used them to hold natural populations of species that would otherwise be unable to survive in the wild. The principal components of island restoration are the removal of introduced species and the reintroduction of native species.