Climate change and outbreaks of the geometrids Operophtera
... occurred gradually, with a few records during an extensive outbreak in the mid-1960s, an increasing number during the 1990s, and finally a pronounced eastern advance along the northern forest limit in northernmost Norway during the past 5–6 years. This strongly suggests an expansion of the area expe ...
... occurred gradually, with a few records during an extensive outbreak in the mid-1960s, an increasing number during the 1990s, and finally a pronounced eastern advance along the northern forest limit in northernmost Norway during the past 5–6 years. This strongly suggests an expansion of the area expe ...
On the carrying capacity for large ungulates of African savanna
... management on the biomass of herbivores. In an early contribution, Petrides & Swank (1965a, b) drew attention to the fact that the very high ungulate biomasses in some of the natural African ecosystems like those in northern Kivu 'far exceed those of the best livestock ranges'. Ecological theory on ...
... management on the biomass of herbivores. In an early contribution, Petrides & Swank (1965a, b) drew attention to the fact that the very high ungulate biomasses in some of the natural African ecosystems like those in northern Kivu 'far exceed those of the best livestock ranges'. Ecological theory on ...
December 2015
... The Omo River guereza (Colobus guereza guereza) is an endemic subspecies of black-andwhite colobus monkey restricted to the western Rift Valley forests of Ethiopia. Little information is available on this subspecies and it remains among the least studied primates in Africa, though other subspecies o ...
... The Omo River guereza (Colobus guereza guereza) is an endemic subspecies of black-andwhite colobus monkey restricted to the western Rift Valley forests of Ethiopia. Little information is available on this subspecies and it remains among the least studied primates in Africa, though other subspecies o ...
Queensland Rail - The Department of State Development
... Cenchrus ciliaris (Buffel Grass) is by far the most extensive invasive weed. It, like other environmental weeds such as Lantana camara and Megathyrsus maximus (Guinea Grass) will be part of the Australian landscape until such times as they collapse with some pathogen or other devastating impact. The ...
... Cenchrus ciliaris (Buffel Grass) is by far the most extensive invasive weed. It, like other environmental weeds such as Lantana camara and Megathyrsus maximus (Guinea Grass) will be part of the Australian landscape until such times as they collapse with some pathogen or other devastating impact. The ...
Introducing the Arctic National Wildlife Refuge
... wildlife refuge and contains the greatest variety of plant and animal life of any protected area within the Arctic Circle. The remoteness of the Refuge has also helped to protect its beauty and keeps it one of the most wild and undisturbed areas within the United States. With no roads in or out, the ...
... wildlife refuge and contains the greatest variety of plant and animal life of any protected area within the Arctic Circle. The remoteness of the Refuge has also helped to protect its beauty and keeps it one of the most wild and undisturbed areas within the United States. With no roads in or out, the ...
species diversity, floristic composition and physiognomy changes in
... tropical seasonal rainforest in a former nature reserve became isolated in the late 1950s with rescission of the nature reserve for farms run by local government under the influence of the so-called ‘great leap in industry’, a nation-wide movement initiated by the Chinese government. However, the re ...
... tropical seasonal rainforest in a former nature reserve became isolated in the late 1950s with rescission of the nature reserve for farms run by local government under the influence of the so-called ‘great leap in industry’, a nation-wide movement initiated by the Chinese government. However, the re ...
The Effects of Human Socioeconomic Status and Cultural
... people call home (Harrison et al. 1987, Lubchenco et al. 1991). As humans reshape the Earth’s surface, other species will increasingly find themselves subject to a shifting mosaic of land-use types, from lightly to heavily human dominated (Kinzig and Grove 2000). The most profoundly altered areas—li ...
... people call home (Harrison et al. 1987, Lubchenco et al. 1991). As humans reshape the Earth’s surface, other species will increasingly find themselves subject to a shifting mosaic of land-use types, from lightly to heavily human dominated (Kinzig and Grove 2000). The most profoundly altered areas—li ...
Composition and Distribution of Epiphytic Organic Matter in a
... documented in several locations by examining epiphytes on branches of different age/size classes. Generally, younger host trees and branches support different epiphyte associations than older substrates (Yeaton & Gladstone 1982, Catling et al. 1986, Catling & Lefkovitch 1989). Epiphytic angiosperms ...
... documented in several locations by examining epiphytes on branches of different age/size classes. Generally, younger host trees and branches support different epiphyte associations than older substrates (Yeaton & Gladstone 1982, Catling et al. 1986, Catling & Lefkovitch 1989). Epiphytic angiosperms ...
Vertical stratification of the termite assemblage in a
... they escape detection when collecting is restricted to near-ground habitats (Rebello and Martius 1994; Martius 1997a). The aim of this study was to evaluate the speciWc richness and composition of the termite assemblage in the canopy of a neotropical rainforest and to determine its originality with ...
... they escape detection when collecting is restricted to near-ground habitats (Rebello and Martius 1994; Martius 1997a). The aim of this study was to evaluate the speciWc richness and composition of the termite assemblage in the canopy of a neotropical rainforest and to determine its originality with ...
A preliminary biological survey of Cerro Piedra Larga, Oaxaca, Mexico
... Introduction Mexico, located at the conjunction of two great biogeographic realms, is considered a megadiverse country, one of the storehouses of biodiversity at a global scale (Mittermeier et al. 1998). Although Mexico has seen attention from students of biodiversity over more than two centuries (R ...
... Introduction Mexico, located at the conjunction of two great biogeographic realms, is considered a megadiverse country, one of the storehouses of biodiversity at a global scale (Mittermeier et al. 1998). Although Mexico has seen attention from students of biodiversity over more than two centuries (R ...
Tri-locus sequence data reject a "Gondwanan origin hypothesis" for
... 2007). The genetic data further showed that small-bodied specimens from South Africa’s southeast and east coast represent two more undescribed species. Phylogenetic relationships among the five southern African species remained unresolved. The taxonomic history of H. depressum has been as confused as ...
... 2007). The genetic data further showed that small-bodied specimens from South Africa’s southeast and east coast represent two more undescribed species. Phylogenetic relationships among the five southern African species remained unresolved. The taxonomic history of H. depressum has been as confused as ...
- CUNY Academic Works
... found in members of a number of unrelated fish families, strongly suggesting the possibility of convergent evolution. However, little is known about the evolutionary processes that shaped diversification in LCR Mastacembelus, their biogeographic origins, or when colonization of the LCR occurred. Met ...
... found in members of a number of unrelated fish families, strongly suggesting the possibility of convergent evolution. However, little is known about the evolutionary processes that shaped diversification in LCR Mastacembelus, their biogeographic origins, or when colonization of the LCR occurred. Met ...
5.7 Thompson Okanagan Region
... remaining ecosystems and species at risk within the valley. Agricultural conversion: Conversion of grasslands and partially modified grazing land to more intensive agricultural operations and hobby farms is resulting in a loss of grassland habitats. Recreation and resort developments: Resort d ...
... remaining ecosystems and species at risk within the valley. Agricultural conversion: Conversion of grasslands and partially modified grazing land to more intensive agricultural operations and hobby farms is resulting in a loss of grassland habitats. Recreation and resort developments: Resort d ...
Rhododendron in Snowdonia - Snowdonia National Park Authority
... Gwynant valley and areas of wet woodland dotted around the Park. As with heaths and bogs, many of these are designated due to their high conservation value. It is also worth remembering that it isn’t only our native woodlands that are under threat from Rhododendron, but also commercially planted con ...
... Gwynant valley and areas of wet woodland dotted around the Park. As with heaths and bogs, many of these are designated due to their high conservation value. It is also worth remembering that it isn’t only our native woodlands that are under threat from Rhododendron, but also commercially planted con ...
A continent-wide assessment of the form and intensity of large
... This is in part because remote sensing tools, such as the Moderate Resolution Imaging Spectroradiometer (MODIS), provide near-daily global data sets that allow fire extent, frequency, and intensity to be quantified at 250-m resolution (5, 6); equivalent tools are not available for directly quantifyi ...
... This is in part because remote sensing tools, such as the Moderate Resolution Imaging Spectroradiometer (MODIS), provide near-daily global data sets that allow fire extent, frequency, and intensity to be quantified at 250-m resolution (5, 6); equivalent tools are not available for directly quantifyi ...
Insights into regional patterns of Amazonian forest structure
... less than 100 mm. Mean annual rainfall at Manaus is ~3500 mm, with a dry season of ...
... less than 100 mm. Mean annual rainfall at Manaus is ~3500 mm, with a dry season of ...
Habituation, ecotourism and research for conservation of
... One of the several forest clearings in the Dzanga sector of the Dzanga-Ndoki National Park is Bai Hokou (Fig. 1), chosen as camp site in the forest and headquarter for research and tourist activities. At Bai Hokou, the Dzanga-Sangha Protected Areas created the "Primate Habituation Programme" under ...
... One of the several forest clearings in the Dzanga sector of the Dzanga-Ndoki National Park is Bai Hokou (Fig. 1), chosen as camp site in the forest and headquarter for research and tourist activities. At Bai Hokou, the Dzanga-Sangha Protected Areas created the "Primate Habituation Programme" under ...
Current vs. Historical Conditions in Moist Mixed
... •What scale and types of treatments will emphasize ecological benefits an restore “proper function” in moist mixed conifer forest Definition of Moist Mixed-Conifer Forest-. Moist mixed-conifer forests cover a large area east of the Cascade where grand fir and Douglas-fir are the dominant late succes ...
... •What scale and types of treatments will emphasize ecological benefits an restore “proper function” in moist mixed conifer forest Definition of Moist Mixed-Conifer Forest-. Moist mixed-conifer forests cover a large area east of the Cascade where grand fir and Douglas-fir are the dominant late succes ...
Download chapter 2 as a PDF
... Ownership and management patterns adjacent to the action areas There are multiple landowners involved in the proposed actions for the federally listed species within the Oahu AA. These include the U.S. Government (i.e. U.S. Army), the State of Hawaii, Honolulu City and County, and private landowners ...
... Ownership and management patterns adjacent to the action areas There are multiple landowners involved in the proposed actions for the federally listed species within the Oahu AA. These include the U.S. Government (i.e. U.S. Army), the State of Hawaii, Honolulu City and County, and private landowners ...
Composition and structure of Caribbean bat (Chiroptera
... (MacArthur & Wilson, 1967). In addition to predictions about species richness, the theory of island biogeography (MacArthur & Wilson, 1967) predicts that species turnover occurs on islands, and that species identity on any particular island at any given time will be random and not associated with is ...
... (MacArthur & Wilson, 1967). In addition to predictions about species richness, the theory of island biogeography (MacArthur & Wilson, 1967) predicts that species turnover occurs on islands, and that species identity on any particular island at any given time will be random and not associated with is ...
Using Ecological-Niche Modeling to Predict Barred Owl Invasions
... 1250 points resampled from the test data and 1250 points sampled randomly from the study region as a whole. Rules may evolve by a number of means that mimic DNA evolution: point mutations, deletions, and crossing over. The change in predictive accuracy from one iteration to the next is used to evalu ...
... 1250 points resampled from the test data and 1250 points sampled randomly from the study region as a whole. Rules may evolve by a number of means that mimic DNA evolution: point mutations, deletions, and crossing over. The change in predictive accuracy from one iteration to the next is used to evalu ...
Chapter 3 - Colorado Parks and Wildlife
... central and southeastern Colorado. The understory is highly variable, and may be shrubby, grassy, sparsely vegetated, or rocky. Elevation ranges from 4,900 - 9,000 feet. In the canyons and tablelands of the southern Great Plains, juniper woodlands form extensive cover at some distance from the mount ...
... central and southeastern Colorado. The understory is highly variable, and may be shrubby, grassy, sparsely vegetated, or rocky. Elevation ranges from 4,900 - 9,000 feet. In the canyons and tablelands of the southern Great Plains, juniper woodlands form extensive cover at some distance from the mount ...
QGN News 15 - Wildlife Preservation Society Queensland
... Wildlife living in fragmented habitats is susceptible to natural disasters such as flood, bushfire and cyclones as well as disease or inbreeding. In addition, wildlife movement is essential in the search for food, dispersal of young to new home ranges and annual and seasonal migrations3. Nevertheles ...
... Wildlife living in fragmented habitats is susceptible to natural disasters such as flood, bushfire and cyclones as well as disease or inbreeding. In addition, wildlife movement is essential in the search for food, dispersal of young to new home ranges and annual and seasonal migrations3. Nevertheles ...
Forests and Wood Ants in Scotland
... with a few scattered trees and saplings, often containing shrubs such as juniper. Nests are most often found just beyond the woodland edge, where the ground heats up relatively rapidly, as, unlike the true wood ants, this species cannot increase the mean temperature inside the nest by the production ...
... with a few scattered trees and saplings, often containing shrubs such as juniper. Nests are most often found just beyond the woodland edge, where the ground heats up relatively rapidly, as, unlike the true wood ants, this species cannot increase the mean temperature inside the nest by the production ...
Environmental and historical controls of floristic composition across
... 1993a,b; Pennington et al., 2000), such as seasonality of rainfall and deciduousness. Journal of Biogeography ª 2015 John Wiley & Sons Ltd ...
... 1993a,b; Pennington et al., 2000), such as seasonality of rainfall and deciduousness. Journal of Biogeography ª 2015 John Wiley & Sons Ltd ...
Kasanka National Park
Kasanka National Park is a park located in the Serenje District of Zambia’s Central Province. At roughly 390km2, Kasanka is one of Zambia’s smallest national parks. Kasanka’s situation is interesting as it is the first of Zambia’s national parks to be privately managed. The privately funded Kasanka Trust Ltd has taken on all management responsibilities, in partnership with the Zambian Wildlife Authority, and has been in operation since 1986.