Determining How Varying Severity of Forest Fragmentation Effect
... connectivity due to human activity, such as fragmentation, populations may experience loss of rare alleles and diminished heterozygosity through genetic drift. Inbreeding can also occur, increasing the chance offspring will be affected by recessive or damaging traits (Noel et al., 2007). Genetic dri ...
... connectivity due to human activity, such as fragmentation, populations may experience loss of rare alleles and diminished heterozygosity through genetic drift. Inbreeding can also occur, increasing the chance offspring will be affected by recessive or damaging traits (Noel et al., 2007). Genetic dri ...
Dung beetle assemblages on tropical land
... although some feed on other types of decomposing materials: carrion, rotting fruits or fungi. They have been shown to be sensitive to tropical forest modification and fragmentation (Halffter & Arellano, 2002; Davis et al., 2004; Davis & Philips, 2005; Nichols et al., 2007), and to changes in mammali ...
... although some feed on other types of decomposing materials: carrion, rotting fruits or fungi. They have been shown to be sensitive to tropical forest modification and fragmentation (Halffter & Arellano, 2002; Davis et al., 2004; Davis & Philips, 2005; Nichols et al., 2007), and to changes in mammali ...
Why Beech - SUNY-ESF
... forest”. Beech is widespread in all nine forest regions that comprise Lucy Braun’s classic 1950 treatise of the deciduous forests of eastern North America. It is a characteristic species of four of those regions, and is dominant in two northerly regions including the namesake beech-maple and beech-b ...
... forest”. Beech is widespread in all nine forest regions that comprise Lucy Braun’s classic 1950 treatise of the deciduous forests of eastern North America. It is a characteristic species of four of those regions, and is dominant in two northerly regions including the namesake beech-maple and beech-b ...
Dispersal vacuum in the seedling recruitment of a primate
... The study was conducted in an entirely undisturbed terra firme forest landscape in the headwaters of the Tefé River (hereafter, Alto Tefé), State of Amazonas, Brazil (5°200 2800 S, 66°400 3400 W, Fig. 1). This remote site was isolated by a fluvial distance of 682 km from the nearest town (Tefé), and h ...
... The study was conducted in an entirely undisturbed terra firme forest landscape in the headwaters of the Tefé River (hereafter, Alto Tefé), State of Amazonas, Brazil (5°200 2800 S, 66°400 3400 W, Fig. 1). This remote site was isolated by a fluvial distance of 682 km from the nearest town (Tefé), and h ...
Forest and Wildland Fire Science Synthesis
... pine forests; B) current fires are mostly low- and moderate-intensity, and fire intensity is not increasing currently in the great majority of western U.S. forests; C) high-intensity fire patches (wherein most or all trees are killed), both small and large, were a substantial component of natural fi ...
... pine forests; B) current fires are mostly low- and moderate-intensity, and fire intensity is not increasing currently in the great majority of western U.S. forests; C) high-intensity fire patches (wherein most or all trees are killed), both small and large, were a substantial component of natural fi ...
The Distribution And Diversity Of Land Snails In Shimba Hills
... forests as one of the top ten priority ecosystems for biodiversity conservation on the African continent (Myers et al., 2000). Despite the biodiversity conservation significance of these forests, many remain unexplored for several taxa such as land snails. Previous incidental land snail collections ...
... forests as one of the top ten priority ecosystems for biodiversity conservation on the African continent (Myers et al., 2000). Despite the biodiversity conservation significance of these forests, many remain unexplored for several taxa such as land snails. Previous incidental land snail collections ...
The purpose of this chapter is to focus on growing stands of trees
... As noted previously, landowner goals may be varied, reflecting a variety of forest values and benefits. Some goals may have a higher priority than others, but it is important to remember they are often interrelated, and generally depend on sound forestry practices to be realized. Goals can be achiev ...
... As noted previously, landowner goals may be varied, reflecting a variety of forest values and benefits. Some goals may have a higher priority than others, but it is important to remember they are often interrelated, and generally depend on sound forestry practices to be realized. Goals can be achiev ...
GWG Chapter 20
... animals with plenty of grass. These animals are a food source for lions and other meat-eating mammals. Grassy plains with few trees are perfect for both herding and hunting animals. (pages 505–508) Click the mouse button or press the Space Bar to display the answer. ...
... animals with plenty of grass. These animals are a food source for lions and other meat-eating mammals. Grassy plains with few trees are perfect for both herding and hunting animals. (pages 505–508) Click the mouse button or press the Space Bar to display the answer. ...
Non-Native Invasive Earthworms as Agents of Change in Northern
... litter into the soil and bring mineral soil from different depths to the surface, resulting in soil mixing that is very different from the mixing caused by epigeic or endogeic species (Figures 1 and 2). Not all species fall neatly into these standard categories, but classification is useful for diff ...
... litter into the soil and bring mineral soil from different depths to the surface, resulting in soil mixing that is very different from the mixing caused by epigeic or endogeic species (Figures 1 and 2). Not all species fall neatly into these standard categories, but classification is useful for diff ...
Preliminary Study of the Effects of Headwater Riparian Reserves with
... intervening stream distance and higher-order stream segment (Figure 2E). In any case, complete independence of reaches could not be practically applied at the site scale; water either flowed from one reach into another or reaches were linked by one or more tributary junctions. Outside the study area ...
... intervening stream distance and higher-order stream segment (Figure 2E). In any case, complete independence of reaches could not be practically applied at the site scale; water either flowed from one reach into another or reaches were linked by one or more tributary junctions. Outside the study area ...
The Southern Blue Ridge
... perhaps nationally. Spruce-fir forests have been declining naturally for 10,000 years, although changes in the health, structure, and composition of these forests have been accelerated from timber management, large scale wildfires, exotic pests, and air pollution during the 20th Century. Continued d ...
... perhaps nationally. Spruce-fir forests have been declining naturally for 10,000 years, although changes in the health, structure, and composition of these forests have been accelerated from timber management, large scale wildfires, exotic pests, and air pollution during the 20th Century. Continued d ...
Forests Too Deer: Edge Effects in Northern Wisconsin
... but the less disturbed habitats have not yet been seriously invaded (unlike the situation in southern Wisconsin, where buckthorn and honeysuckle have invaded even "intact"forests [Barnes & Cottam, 1974]). Not surprisingly, major changes in Wisconsin's fauna have also occurred during the last century ...
... but the less disturbed habitats have not yet been seriously invaded (unlike the situation in southern Wisconsin, where buckthorn and honeysuckle have invaded even "intact"forests [Barnes & Cottam, 1974]). Not surprisingly, major changes in Wisconsin's fauna have also occurred during the last century ...
Plant-animal interactions in rainforest
... complex influence that disruptions to animal-plant interactions may have on rainforest conservation is provided by the loss of native rodent species from some rainforest remnants. This might result in an over-representation of rodent-predated plants in the next generation of trees, which could in tu ...
... complex influence that disruptions to animal-plant interactions may have on rainforest conservation is provided by the loss of native rodent species from some rainforest remnants. This might result in an over-representation of rodent-predated plants in the next generation of trees, which could in tu ...
The phenology of growth and reproduction in plants
... every scale, from the level of the community (Murali & Sukumar 1994) to that of the individual flower (Herrera 1995a). In most plant communities, although at least some species will be in flower throughout the growing season, there is a tendency for peaks of flowering to occur. In wet tropical fores ...
... every scale, from the level of the community (Murali & Sukumar 1994) to that of the individual flower (Herrera 1995a). In most plant communities, although at least some species will be in flower throughout the growing season, there is a tendency for peaks of flowering to occur. In wet tropical fores ...
Biodiversity in the Cacao Agroecosystem
... In the face of these economic threats with their day-to-day impact on the well being of millions of farm families, a case has to be made for biodiversity being an important factor in a farmer’s decisions concerning plantation management. Outside of the value that farm communities might place on biol ...
... In the face of these economic threats with their day-to-day impact on the well being of millions of farm families, a case has to be made for biodiversity being an important factor in a farmer’s decisions concerning plantation management. Outside of the value that farm communities might place on biol ...
Legacy of top-down herbivore pressure ricochets back up multiple
... and other ungulates can delay forest regeneration and change plant species composition (Rooney and Waller 2002, Côte et al. 2004). While delay in forest regeneration is consistent with top-down regulation of plant density, changes in species composition result from herbivore food preference or plan ...
... and other ungulates can delay forest regeneration and change plant species composition (Rooney and Waller 2002, Côte et al. 2004). While delay in forest regeneration is consistent with top-down regulation of plant density, changes in species composition result from herbivore food preference or plan ...
Translocation as a Conservation Measure for an
... Five individuals were born after the first translocation in 2000 while the animals were still in the habituation cages, and one of them subsequently died. On 28 September 2000, one pregnant female was killed, probably by villagers, indicating that the protection of the conservation zone was not adeq ...
... Five individuals were born after the first translocation in 2000 while the animals were still in the habituation cages, and one of them subsequently died. On 28 September 2000, one pregnant female was killed, probably by villagers, indicating that the protection of the conservation zone was not adeq ...
Deer and their Management
... The cull is undertaken by Forestry Commission keepers who use high velocity rifles from high seats. Each keeper is a marksman and trained with the firearm. For safety, our staff follow the guidance published in Forestry Commission Operational Guidance Booklets: 5.Deer Management and 14.Using Firearm ...
... The cull is undertaken by Forestry Commission keepers who use high velocity rifles from high seats. Each keeper is a marksman and trained with the firearm. For safety, our staff follow the guidance published in Forestry Commission Operational Guidance Booklets: 5.Deer Management and 14.Using Firearm ...
Rock outcrop habitats in the Venezuelan Guayana lowlands: their
... phenomena, such as vertical channeling, typical of “Rapakivi” granite (Blancaneaux & Pouyllau 1977) and formation of concentric depressions (pans). These rocky hills, usually between 50 and 300 m high, appear either isolated in the forest or savanna, or they form compound massifs, often reaching sev ...
... phenomena, such as vertical channeling, typical of “Rapakivi” granite (Blancaneaux & Pouyllau 1977) and formation of concentric depressions (pans). These rocky hills, usually between 50 and 300 m high, appear either isolated in the forest or savanna, or they form compound massifs, often reaching sev ...
Purple Sea Urchin Population Boom
... These rapid and dramatic changes over a large area of the coast are a primary concern for marine resource managers in California. Alerting the public, policymakers, scientific community and other stakeholders to these issues is a high priority for CDFW. CDFW will prioritize research and monitoring o ...
... These rapid and dramatic changes over a large area of the coast are a primary concern for marine resource managers in California. Alerting the public, policymakers, scientific community and other stakeholders to these issues is a high priority for CDFW. CDFW will prioritize research and monitoring o ...
3.5 Mangroves
... open/closed systems such as the Mgababa, Mzamba and Mtentu estuaries. The red mangrove generally forms large dense stands on the banks of creeks and streams that feed into estuaries. The Tonga mangrove found at Kosi Bay is at its most southern distribution, while the Indian mangrove also only occurs ...
... open/closed systems such as the Mgababa, Mzamba and Mtentu estuaries. The red mangrove generally forms large dense stands on the banks of creeks and streams that feed into estuaries. The Tonga mangrove found at Kosi Bay is at its most southern distribution, while the Indian mangrove also only occurs ...
Gall-forming and free-feeding herbivory along vertical gradients in a
... within a volumetric space of 1 m in diameter, from three meters above the ground up to the upper canopy (canopy-pin transect) or along an equivalent horizontal transect of 30 m (the average height of this forest) parallel to the soil (understorey-pin transect). This method is similar to the pin-quad ...
... within a volumetric space of 1 m in diameter, from three meters above the ground up to the upper canopy (canopy-pin transect) or along an equivalent horizontal transect of 30 m (the average height of this forest) parallel to the soil (understorey-pin transect). This method is similar to the pin-quad ...
Theory meets reality: How habitat fragmentation research has
... chopped up into fragments of various sizes and degrees of isolation. Distinguishing the impacts of these two processes on biodiversity is challenging because they generally co-vary. For example, in forested landscapes in which most of the original habitat has been destroyed, the surviving fragments ...
... chopped up into fragments of various sizes and degrees of isolation. Distinguishing the impacts of these two processes on biodiversity is challenging because they generally co-vary. For example, in forested landscapes in which most of the original habitat has been destroyed, the surviving fragments ...
Full text in pdf format
... near the Magdalena River in the middle of the Magdalena valley between the eastern and central Andes of Colombia. Mean rainfall is 2070 mm (IDEAM 2008), and average temperature oscillates around 28°C. San Juan Fragment (06° 43’ N, 74° 09’ W) is a thin, riverine forest fragment of roughly 70 ha that ...
... near the Magdalena River in the middle of the Magdalena valley between the eastern and central Andes of Colombia. Mean rainfall is 2070 mm (IDEAM 2008), and average temperature oscillates around 28°C. San Juan Fragment (06° 43’ N, 74° 09’ W) is a thin, riverine forest fragment of roughly 70 ha that ...
Effects of tree control method, seed addition, and introduced
... & Richardson 2012; Dickie et al. 2014), and reductions in the utility and value of agricultural and recreational land (Froude 2011). Despite a growing understanding of tree invasion impacts, the long-term outcomes for invaded sites are often unclear. Invasive trees that establish into naturally tree ...
... & Richardson 2012; Dickie et al. 2014), and reductions in the utility and value of agricultural and recreational land (Froude 2011). Despite a growing understanding of tree invasion impacts, the long-term outcomes for invaded sites are often unclear. Invasive trees that establish into naturally tree ...