Ch 6 Humans in the Biosphere power points
... • introducing foreign species to new environments Slide 68 of 35 Copyright Pearson Prentice Hall ...
... • introducing foreign species to new environments Slide 68 of 35 Copyright Pearson Prentice Hall ...
Colonization in metapopulations: a review of
... colonizer always has a high r. In this model, a high ratio of natality to mortality and a large propagule size are the most important determinants of colonization success. The time to extinction of a population varying around K, on the other hand, was found to be a function of 8.This means that ther ...
... colonizer always has a high r. In this model, a high ratio of natality to mortality and a large propagule size are the most important determinants of colonization success. The time to extinction of a population varying around K, on the other hand, was found to be a function of 8.This means that ther ...
Invasive ants alter the phylogenetic structure on native communities
... in local communities is a main focus of community ecology and biogeography. My doctoral work aims to document patterns of ant diversity and explore the possible ecological mechanisms leading to these patterns. Elucidating the processes by which communities assemble and species coexist might help exp ...
... in local communities is a main focus of community ecology and biogeography. My doctoral work aims to document patterns of ant diversity and explore the possible ecological mechanisms leading to these patterns. Elucidating the processes by which communities assemble and species coexist might help exp ...
Climate Change and Alpine Vegetation Shifts on Mountaintop
... from the low alpine (1161 m a.s.l.) to the high alpine vegetation zone (1845 m a.s.l.). In 2015, vegetation data indicated that the species richness of vascular plants decreased significantly with increasing elevation. In addition, compared to the previous surveys in 2001 and 2008, no significant ch ...
... from the low alpine (1161 m a.s.l.) to the high alpine vegetation zone (1845 m a.s.l.). In 2015, vegetation data indicated that the species richness of vascular plants decreased significantly with increasing elevation. In addition, compared to the previous surveys in 2001 and 2008, no significant ch ...
Marshalls Creek Nature Reserve Plan of Management
... areas, including aesthetic, social, spiritual and recreational values. These values may be attached to the landscape as a whole or to individual components, for example to plant and animal species used by Aboriginal people. The Tweed-Byron coast was, and to a lesser extent remains, an important area ...
... areas, including aesthetic, social, spiritual and recreational values. These values may be attached to the landscape as a whole or to individual components, for example to plant and animal species used by Aboriginal people. The Tweed-Byron coast was, and to a lesser extent remains, an important area ...
Live organisms used in the classroom as a
... Worldwide, there are growing concerns related to the rate and extent of humanmediated introductions of species in terrestrial and aquatic environments (e.g., Ruiz et al. 2000). For the purpose of this report, we define invasive species as organisms that are transported beyond their native range to n ...
... Worldwide, there are growing concerns related to the rate and extent of humanmediated introductions of species in terrestrial and aquatic environments (e.g., Ruiz et al. 2000). For the purpose of this report, we define invasive species as organisms that are transported beyond their native range to n ...
Assessing the ecological significance of linkage and connectivity for
... As urbanisation continues to fragment and degrade habitats there is a need to ensure that cities are managed to sustain ecosystem function and high biodiversity. Ecological theories suggest that areas with higher levels of functional connectivity sustain a more diverse avian population. By identifyi ...
... As urbanisation continues to fragment and degrade habitats there is a need to ensure that cities are managed to sustain ecosystem function and high biodiversity. Ecological theories suggest that areas with higher levels of functional connectivity sustain a more diverse avian population. By identifyi ...
INCLUDE BISON
... e.g., Plains Bison maintain prairie ecosystems by grazing, dispersing seeds, wallowing, & fertilizing. ...
... e.g., Plains Bison maintain prairie ecosystems by grazing, dispersing seeds, wallowing, & fertilizing. ...
Hammock Homes for Hangouts
... seasonal rainfall the soil may stay wet for much of the year since the flatness of the land reduces water run-off. In low elevations the land may hold water for several months. At higher elevations, where the water table is deep, little or no surface water may be visible. The high acid content of pi ...
... seasonal rainfall the soil may stay wet for much of the year since the flatness of the land reduces water run-off. In low elevations the land may hold water for several months. At higher elevations, where the water table is deep, little or no surface water may be visible. The high acid content of pi ...
The influence of dispersal on zooplankton community structure and
... Drakou et al. 2009; Beaudrot and Marshall 2011) has secured the importance of the role of dispersal in the shaping of ecological communities. The consideration of regional processes in addition to the influence of local ones has advanced our understanding of ecological communities. This inclusion h ...
... Drakou et al. 2009; Beaudrot and Marshall 2011) has secured the importance of the role of dispersal in the shaping of ecological communities. The consideration of regional processes in addition to the influence of local ones has advanced our understanding of ecological communities. This inclusion h ...
Live organisms used in the classroom as a potential vector of
... Worldwide, there are growing concerns related to the rate and extent of humanmediated introductions of species in terrestrial and aquatic environments (e.g., Ruiz et al. 2000). For the purpose of this report, we define invasive species as organisms that are transported beyond their native range to n ...
... Worldwide, there are growing concerns related to the rate and extent of humanmediated introductions of species in terrestrial and aquatic environments (e.g., Ruiz et al. 2000). For the purpose of this report, we define invasive species as organisms that are transported beyond their native range to n ...
Risk analysis of the fox squirrel Sciurus niger
... identifying management options for reducing the risks identified at stage 2 to an acceptable level. These are evaluated for efficacy, feasibility and impact in order to select the most appropriate. The risk management section in the current risk analysis should however not been regarded as a fullopt ...
... identifying management options for reducing the risks identified at stage 2 to an acceptable level. These are evaluated for efficacy, feasibility and impact in order to select the most appropriate. The risk management section in the current risk analysis should however not been regarded as a fullopt ...
Ecology, conservation, and restoration of large carnivores in western
... rivers with large salmon runs bears take as little as 2.5% of the run but on ...
... rivers with large salmon runs bears take as little as 2.5% of the run but on ...
Perry J, Fisher A and Palmer C (2011)
... absence of anecdotal sightings of Carpentarian Grasswrens in the NT since the late 1990s suggest this species might be in severe decline and of significant conservation concern. It also strongly supports the current listing as endangered under the Territory Parks and Wildlife Conservation Act 2000 (N ...
... absence of anecdotal sightings of Carpentarian Grasswrens in the NT since the late 1990s suggest this species might be in severe decline and of significant conservation concern. It also strongly supports the current listing as endangered under the Territory Parks and Wildlife Conservation Act 2000 (N ...
Identifying OSPAR Threatened and/or Declining Species and
... fisheries protection measures and non-extractive use areas. An area qualifies for consideration as an OSPAR MPA if it meets one or more of the OSPAR MPA ecological criteria (OSPAR Commission, 2003b). Application of these ecological criteria by contracting parties will lead to the identification of a ...
... fisheries protection measures and non-extractive use areas. An area qualifies for consideration as an OSPAR MPA if it meets one or more of the OSPAR MPA ecological criteria (OSPAR Commission, 2003b). Application of these ecological criteria by contracting parties will lead to the identification of a ...
Indirect effects of invasive species affecting the population structure
... Crooks 2002, Gutierrez et al. 2003). They may form very stable and long-lived structures, if losses from factors such as hydrodynamic forces, storm events or predation are balanced by recruitment (Nehls and Thiel 1993, Nehls and Ketzenberg 2002). In the 1990s and the 2000s, natural losses and anthro ...
... Crooks 2002, Gutierrez et al. 2003). They may form very stable and long-lived structures, if losses from factors such as hydrodynamic forces, storm events or predation are balanced by recruitment (Nehls and Thiel 1993, Nehls and Ketzenberg 2002). In the 1990s and the 2000s, natural losses and anthro ...
Approximating Nature`s Variation: Selecting and Using Reference
... in ecology: understanding the nature, cause, and function of variation in ecosystems and landscapes. Hence, the selection and use of reference information is a central and defining issue for restoration ecology and will probably play an important role in the development of this field. All reference ...
... in ecology: understanding the nature, cause, and function of variation in ecosystems and landscapes. Hence, the selection and use of reference information is a central and defining issue for restoration ecology and will probably play an important role in the development of this field. All reference ...
Quadrats Online: Teacher Notes
... A quadrat is a tool used to record the abundance or density of a particular species in a study area. In some instances it may be possible to simply count the number of organisms of a particular species in an area. However, in most cases counting all of the organisms would not be practical and other ...
... A quadrat is a tool used to record the abundance or density of a particular species in a study area. In some instances it may be possible to simply count the number of organisms of a particular species in an area. However, in most cases counting all of the organisms would not be practical and other ...
REV_ISS_WEB_JPE_12709_53-6 1823..1830
... structures such as field margins, grass covered earth banks or strips with herbaceous ground flora can act as refuges to reduce winter mortality and improve predator reproduction (Thomas, Wratten & Sotherton 1991; Dennis, Thomas & Sotherton 1994; Collins et al. 2002; Olson & W€ackers 2007; Griffiths ...
... structures such as field margins, grass covered earth banks or strips with herbaceous ground flora can act as refuges to reduce winter mortality and improve predator reproduction (Thomas, Wratten & Sotherton 1991; Dennis, Thomas & Sotherton 1994; Collins et al. 2002; Olson & W€ackers 2007; Griffiths ...
Is there a relationship between herbaceous species richness and
... frequent fires and introduce fire into areas where it was previously rare or absent (Smith 1985; Mack & D’Antonio 1998; Butler & Fairfax 2003). The resultant changes to fire intensity and timing may have profound implications for ecosystem structure and function (Macdonald et al. 1989; Vitousek 1990 ...
... frequent fires and introduce fire into areas where it was previously rare or absent (Smith 1985; Mack & D’Antonio 1998; Butler & Fairfax 2003). The resultant changes to fire intensity and timing may have profound implications for ecosystem structure and function (Macdonald et al. 1989; Vitousek 1990 ...
The assembly and disassembly of ecological networks in a changing world
... forming complex networks of ecological interactions, has puzzled ecologists for many generations. Early ecological research determined that community size and complexity (measured as connectivity in the network of ecological interactions) limit community stability, and hence impose constraints to co ...
... forming complex networks of ecological interactions, has puzzled ecologists for many generations. Early ecological research determined that community size and complexity (measured as connectivity in the network of ecological interactions) limit community stability, and hence impose constraints to co ...
Your essential guide to grouse shooting and moorland management
... Q: Is heather only burnt on grouse moors? A: No. Although it is often associated with this land use, and presented as such in the media, heather burning is carried out for livestock grazing on moorland, as well as in other environments. A recent study of land use in Scotland looked at 26 estates an ...
... Q: Is heather only burnt on grouse moors? A: No. Although it is often associated with this land use, and presented as such in the media, heather burning is carried out for livestock grazing on moorland, as well as in other environments. A recent study of land use in Scotland looked at 26 estates an ...
The Feral Cat (Felis catus)
... Conventional control techniques have been successful in eradicating feral cats from some offshore islands. Due to a very successful program conducted between the Commonwealth and Tasmania with funds from the Natural Heritage Trust, feral cats have been successfully removed from Macquarie Island. Thi ...
... Conventional control techniques have been successful in eradicating feral cats from some offshore islands. Due to a very successful program conducted between the Commonwealth and Tasmania with funds from the Natural Heritage Trust, feral cats have been successfully removed from Macquarie Island. Thi ...
How can we detect introduced mammalian predators in non
... Published online: 7 November 2013 Abstract: Efficient detection techniques will confirm the presence of a species at a site where the species exists, and are essential for effective population monitoring and for assessing the outcome of management programmes. However, detection techniques vary in th ...
... Published online: 7 November 2013 Abstract: Efficient detection techniques will confirm the presence of a species at a site where the species exists, and are essential for effective population monitoring and for assessing the outcome of management programmes. However, detection techniques vary in th ...
Biodiversity action plan
This article is about a conservation biology topic. For other uses of BAP, see BAP (disambiguation).A biodiversity action plan (BAP) is an internationally recognized program addressing threatened species and habitats and is designed to protect and restore biological systems. The original impetus for these plans derives from the 1992 Convention on Biological Diversity (CBD). As of 2009, 191 countries have ratified the CBD, but only a fraction of these have developed substantive BAP documents.The principal elements of a BAP typically include: (a) preparing inventories of biological information for selected species or habitats; (b) assessing the conservation status of species within specified ecosystems; (c) creation of targets for conservation and restoration; and (d) establishing budgets, timelines and institutional partnerships for implementing the BAP.