Recovery Plan for Southern Brown Bandicoot
... obesulus, and as such considers the conservation requirements of the species across its known range within the State. It identifies actions to be undertaken to attempt to ensure the long-term viability of the species in nature and the parties who will carry out these actions. The Southern Brown Band ...
... obesulus, and as such considers the conservation requirements of the species across its known range within the State. It identifies actions to be undertaken to attempt to ensure the long-term viability of the species in nature and the parties who will carry out these actions. The Southern Brown Band ...
How does adaptive consumer movement affect population dynamics
... implies low rates of movement to poorer quality patches. The analysis examines a wide range of the fitness sensitivity parameter l. The minimum l considered in each case is one that implies MR ¼1, although most behavioral movement is likely to have MR b1. The maximum l considered in all cases represe ...
... implies low rates of movement to poorer quality patches. The analysis examines a wide range of the fitness sensitivity parameter l. The minimum l considered in each case is one that implies MR ¼1, although most behavioral movement is likely to have MR b1. The maximum l considered in all cases represe ...
Life 9e - Garvness
... selective agent is questionable. c. Because most plants live a long time, they are less likely to be able to evolve defenses against the herbivores. d. The fact that most insects are able to eat a wide variety of plants suggests that plant defenses are ineffective. e. The fact that insects do not ex ...
... selective agent is questionable. c. Because most plants live a long time, they are less likely to be able to evolve defenses against the herbivores. d. The fact that most insects are able to eat a wide variety of plants suggests that plant defenses are ineffective. e. The fact that insects do not ex ...
THE HABITAT CONCEPT IN ORNITHOLOGY
... urbanization, or water development. Regardless of the underlying cause, it is critical to recognize that the environment changes constantly resulting in unique arrangements of resources and, hence, different habitats. In Southwood's scheme, relatively permanent habitats should exhibit little varianc ...
... urbanization, or water development. Regardless of the underlying cause, it is critical to recognize that the environment changes constantly resulting in unique arrangements of resources and, hence, different habitats. In Southwood's scheme, relatively permanent habitats should exhibit little varianc ...
Coexistence of two anemonefishes, Amphiprion clarkii and A
... Dascyllus) which inhabit the same corals (Shpigel & Fishelson 1986) . The two species do not differ greatly in body size and behavior, and frequently interact with each other in the host corals . In each host with two species, only the largest individual of either species can reproduce with the mate ...
... Dascyllus) which inhabit the same corals (Shpigel & Fishelson 1986) . The two species do not differ greatly in body size and behavior, and frequently interact with each other in the host corals . In each host with two species, only the largest individual of either species can reproduce with the mate ...
PDF
... phytoplankton and structure the community, grazing-induced mortality rates also play an important role in shaping the seasonal succession of phytoplankton communities (Hairston et al. 1960). Zooplankton grazing is the largest source of mortality for marine phytoplankton (Calbet and Landry 2004) and ...
... phytoplankton and structure the community, grazing-induced mortality rates also play an important role in shaping the seasonal succession of phytoplankton communities (Hairston et al. 1960). Zooplankton grazing is the largest source of mortality for marine phytoplankton (Calbet and Landry 2004) and ...
full text - Anthony Herrel
... surveys reached only a fifth of this density (17.0 ha21; 95% CI, 9.3 to 30.9). In the central high plateau of Madagascar, Randrianantoandro et al. (2009) estimated a density of 39.7 ha21 for Calumma crypticum, 27.3 ha21 for F. lateralis, and 16.4 ha21 for F. minor at the same site. Differences in de ...
... surveys reached only a fifth of this density (17.0 ha21; 95% CI, 9.3 to 30.9). In the central high plateau of Madagascar, Randrianantoandro et al. (2009) estimated a density of 39.7 ha21 for Calumma crypticum, 27.3 ha21 for F. lateralis, and 16.4 ha21 for F. minor at the same site. Differences in de ...
Do Inhibitory Interactions Between Detritivores
... Interference competition, in which one species directly alters resource attainment of another, as well as exploitative competition, in which species indirectly interact while using the same resources, can affect the function or productivity of a system (Lang and Benbow 2013). Interspecific competiti ...
... Interference competition, in which one species directly alters resource attainment of another, as well as exploitative competition, in which species indirectly interact while using the same resources, can affect the function or productivity of a system (Lang and Benbow 2013). Interspecific competiti ...
Pygmy Short-horned Lizard - Publications du gouvernement du
... least 18 anecdotal observations since the first specimens were collected. The most recent of these was in 2004. Limiting factors and threats Habitat loss has been extensive in the Okanagan Valley and to a lesser extent in the Similkameen Valley. Although this habitat loss is likely a contributing fa ...
... least 18 anecdotal observations since the first specimens were collected. The most recent of these was in 2004. Limiting factors and threats Habitat loss has been extensive in the Okanagan Valley and to a lesser extent in the Similkameen Valley. Although this habitat loss is likely a contributing fa ...
The biogeography of marine plankton traits
... Mapping the biogeography of functional traits will help reveal the mechanisms underlying variations in marine plankton communities because the dominant structuring factors should alter trait distributions in predictable ways. For example, temporal variation in light and nitrate leads to correspondin ...
... Mapping the biogeography of functional traits will help reveal the mechanisms underlying variations in marine plankton communities because the dominant structuring factors should alter trait distributions in predictable ways. For example, temporal variation in light and nitrate leads to correspondin ...
Key Role of European Rabbits in the Conservation of the Western
... and urbanization (e.g., Symeonakis et al. 2007). Nevertheless, an additional risk could be the decline of the European rabbit, which is endemic to the Iberian Peninsula (Monnerot et al. 1994). From the late Pleistocene until Classical antiquity, European rabbits were present only on the Iberian Peni ...
... and urbanization (e.g., Symeonakis et al. 2007). Nevertheless, an additional risk could be the decline of the European rabbit, which is endemic to the Iberian Peninsula (Monnerot et al. 1994). From the late Pleistocene until Classical antiquity, European rabbits were present only on the Iberian Peni ...
Niche and metabolic principles explain patterns of diversity and
... these constraints on diversity is to empirically and theoretically study ecological systems and suites of environmental gradients characterized by relative simplicity and minimal confounding variables. Indeed, it seems unlikely that ecologists will be able to develop a robust and unifying understand ...
... these constraints on diversity is to empirically and theoretically study ecological systems and suites of environmental gradients characterized by relative simplicity and minimal confounding variables. Indeed, it seems unlikely that ecologists will be able to develop a robust and unifying understand ...
Durham Research Online
... be observed directly, identifying such adaptations and linking them to habitat are important aspects of paleobiological reconstruction. This approach also informs paleoecological and paleoenvironmental reconstruction, with these ‘ecomorphological’ methods shedding light not only on the animals thems ...
... be observed directly, identifying such adaptations and linking them to habitat are important aspects of paleobiological reconstruction. This approach also informs paleoecological and paleoenvironmental reconstruction, with these ‘ecomorphological’ methods shedding light not only on the animals thems ...
Report on identification of keystone species
... Report on identification of keystone species and processes across regional seas. Deliverable 6.1, DEVOTES Project. 105 pp + 1 Annex. ...
... Report on identification of keystone species and processes across regional seas. Deliverable 6.1, DEVOTES Project. 105 pp + 1 Annex. ...
on the ecological roles of salamanders
... Appalachian salamander guild. Hairston (1987) clarified the issue by suggesting that salamanders are the dominant “vertebrate predators” (e.g., carnivores) in forests, thus linking the ecological relevance of salamander abundance to a critical link in the trophic dynamics of food webs. To put the es ...
... Appalachian salamander guild. Hairston (1987) clarified the issue by suggesting that salamanders are the dominant “vertebrate predators” (e.g., carnivores) in forests, thus linking the ecological relevance of salamander abundance to a critical link in the trophic dynamics of food webs. To put the es ...
View pdf - Gopher Tortoise Council
... roughly is the dividing line. By the beginning of our study, the western striped newt could only be found reliably at a single wetland within the Fall Line Sandhills Natural Area of GA. The eastern variety, although thought to be in decline globally, at least was holding on in its stronghold locatio ...
... roughly is the dividing line. By the beginning of our study, the western striped newt could only be found reliably at a single wetland within the Fall Line Sandhills Natural Area of GA. The eastern variety, although thought to be in decline globally, at least was holding on in its stronghold locatio ...
(Apios americana Medicus) in Colorado
... containing an extra copy of chromosomes in their genome (Seabrook and Dionne 1976, Bruneau 1986, Bruneau and Anderson 1988). Bruneau (1986) developed morphometric methods of inferring the ploidy of Apios americana using pollen stainability, guard cell size, and flower color. In the present study, Br ...
... containing an extra copy of chromosomes in their genome (Seabrook and Dionne 1976, Bruneau 1986, Bruneau and Anderson 1988). Bruneau (1986) developed morphometric methods of inferring the ploidy of Apios americana using pollen stainability, guard cell size, and flower color. In the present study, Br ...
Northern Goshawk,Accipiter gentilis laingi
... Criterion E (Quantitative Analysis): While a preliminary Population Viability Analysis (PVA) suggested that the Canadian population could face a 10% risk of “quasi-extinction” within 100 years, the model did not account for any immigration from the U.S. and is therefore overly pessimistic. ...
... Criterion E (Quantitative Analysis): While a preliminary Population Viability Analysis (PVA) suggested that the Canadian population could face a 10% risk of “quasi-extinction” within 100 years, the model did not account for any immigration from the U.S. and is therefore overly pessimistic. ...
Nine-spotted Lady Beetle (Coccinella novemnotata
... has been a decline in the IAO, and quality of habitat; and (e) introduced taxa (Seven-spotted Lady Beetle and Multi-coloured Asian Lady Beetle introductions), pathogens, parasites and pollutants are suspected to have contributed to declines. Criterion B (Small Distribution Range and Decline or Fluct ...
... has been a decline in the IAO, and quality of habitat; and (e) introduced taxa (Seven-spotted Lady Beetle and Multi-coloured Asian Lady Beetle introductions), pathogens, parasites and pollutants are suspected to have contributed to declines. Criterion B (Small Distribution Range and Decline or Fluct ...
Patch area, substrate depth, and richness affect giving
... foragers should bias their efforts towards patches with smaller areas (higher concentration of food per unit area), shallower substrates (greater ease of food encounter) and higher total resource abundance (for a fixed area and substrate depth). The model of Morgan et al. (1997) on the effect of spa ...
... foragers should bias their efforts towards patches with smaller areas (higher concentration of food per unit area), shallower substrates (greater ease of food encounter) and higher total resource abundance (for a fixed area and substrate depth). The model of Morgan et al. (1997) on the effect of spa ...
PWTB 200-1-91 Management Guidance for Gopher
... some effort, and results may be uncertain and hard to quantify. In theory, this is the best way to assure survival of hatchlings through to less vulnerable stages. This was one of the focus areas in the PVA study of Tuberville et al. (2009). Several ongoing studies concern both gopher tortoises (Har ...
... some effort, and results may be uncertain and hard to quantify. In theory, this is the best way to assure survival of hatchlings through to less vulnerable stages. This was one of the focus areas in the PVA study of Tuberville et al. (2009). Several ongoing studies concern both gopher tortoises (Har ...
International Single Species Action Plan for the
... Wymenga of Altenburg & Wymenga (The Netherlands). The Action Plan follows the format for Single Species Action Plans approved by the AEWA 2nd Meeting of Parties in September 2002. This AEWA Action Plan builds on the European Commission Management Plan for the Black-tailed Godwit which was adopted by ...
... Wymenga of Altenburg & Wymenga (The Netherlands). The Action Plan follows the format for Single Species Action Plans approved by the AEWA 2nd Meeting of Parties in September 2002. This AEWA Action Plan builds on the European Commission Management Plan for the Black-tailed Godwit which was adopted by ...
Predicting invasion in grassland ecosystems: is exotic
... However, global-scale tests of this assumption have been elusive because of the focus on exotic species richness, rather than relative abundance. This is problematic because low invader richness can indicate invasion resistance by the native community or, alternatively, dominance by a single exotic ...
... However, global-scale tests of this assumption have been elusive because of the focus on exotic species richness, rather than relative abundance. This is problematic because low invader richness can indicate invasion resistance by the native community or, alternatively, dominance by a single exotic ...
The Stability and Persistence of Mutualisms Embedded in
... Although the local stability of an equilibrium is important, a crucial aspect of the assemblage is the persistence of all its populations. Persistence will differ from local stability in that it captures slowly dying transients, stable cycles and otherwise bounded behavior, while losing some stable ...
... Although the local stability of an equilibrium is important, a crucial aspect of the assemblage is the persistence of all its populations. Persistence will differ from local stability in that it captures slowly dying transients, stable cycles and otherwise bounded behavior, while losing some stable ...
Long-footed potoroo - recovery plan (PDF
... The species has an extremely limited range in New South Wales. It is apparently restricted to damp and wet sclerophyll forest communities within South East Forests National Park in the south of the State. While no animals have ever been live-captured, intensive hair-sampling tube and predator-scat b ...
... The species has an extremely limited range in New South Wales. It is apparently restricted to damp and wet sclerophyll forest communities within South East Forests National Park in the south of the State. While no animals have ever been live-captured, intensive hair-sampling tube and predator-scat b ...