sundarbans tiger reserve - India Environment Portal
... the periphery of the Reserve are artificially regenerated with mangrove plants to meet local fuel wood demand and reduce the pressure on the buffer. Non-mangrove plantations are also raised along the roads and embankments of the fringe area to cater the need of the fringe people. Soil conservation i ...
... the periphery of the Reserve are artificially regenerated with mangrove plants to meet local fuel wood demand and reduce the pressure on the buffer. Non-mangrove plantations are also raised along the roads and embankments of the fringe area to cater the need of the fringe people. Soil conservation i ...
Chapter 55 Practice Multiple Choice
... humans, starts from seaweeds to fish to seals to polar bears, then which of the following could be true? a. Polar bears can provide more food for humans than seals can. b. The total biomass of the seaweeds is lower than that of the seals. c. Seal meat probably contains the highest concentrations of ...
... humans, starts from seaweeds to fish to seals to polar bears, then which of the following could be true? a. Polar bears can provide more food for humans than seals can. b. The total biomass of the seaweeds is lower than that of the seals. c. Seal meat probably contains the highest concentrations of ...
Plant diversity in tropical forests: a review of mechanisms of species
... are particularly likely to reinforce one another over longer time intervals, and the eventual reduction in recruitment near conspecific adults may be much greater than is now appreciated. As demonstrated by Harms et al. (2000), even a partial reduction of recruitment near conspecifics can increase a ...
... are particularly likely to reinforce one another over longer time intervals, and the eventual reduction in recruitment near conspecific adults may be much greater than is now appreciated. As demonstrated by Harms et al. (2000), even a partial reduction of recruitment near conspecifics can increase a ...
Forest restoration, biodiversity and ecosystem functioning R E V I E W
... extent of forest habitat, in particular in the tropics, continues to decrease, mainly by forest conversion to agriculture and land uses related to urban population growth [4,5]. Between 1980 and 2000 more than half of the new agricultural land across the tropics was obtained by clearing intact fores ...
... extent of forest habitat, in particular in the tropics, continues to decrease, mainly by forest conversion to agriculture and land uses related to urban population growth [4,5]. Between 1980 and 2000 more than half of the new agricultural land across the tropics was obtained by clearing intact fores ...
here - Azuero Earth Project
... al. 2000; Hart 2000; Hill & Padwe 2000; Mena et al. 2000; Peres 2000). Today, the full range of levels of hunting pressure can be found in the tropics. Hunting is completely absent from remote, depopulated forests. Examples include large parts of French Guiana and the headwaters of selected rivers a ...
... al. 2000; Hart 2000; Hill & Padwe 2000; Mena et al. 2000; Peres 2000). Today, the full range of levels of hunting pressure can be found in the tropics. Hunting is completely absent from remote, depopulated forests. Examples include large parts of French Guiana and the headwaters of selected rivers a ...
pdf taiga biome
... Siberia and Canada. This biome turns south into a deciduous forest, except in the central part of the continents, where it spills over into the step. Upper north, instead, is the bleak expanse of the tundra, and the border between the taiga and the tundra is often marked by birch woodland. The taiga ...
... Siberia and Canada. This biome turns south into a deciduous forest, except in the central part of the continents, where it spills over into the step. Upper north, instead, is the bleak expanse of the tundra, and the border between the taiga and the tundra is often marked by birch woodland. The taiga ...
The myriad consequences of hunting for vertebrates and plants in
... al. 2000; Hart 2000; Hill & Padwe 2000; Mena et al. 2000; Peres 2000). Today, the full range of levels of hunting pressure can be found in the tropics. Hunting is completely absent from remote, depopulated forests. Examples include large parts of French Guiana and the headwaters of selected rivers a ...
... al. 2000; Hart 2000; Hill & Padwe 2000; Mena et al. 2000; Peres 2000). Today, the full range of levels of hunting pressure can be found in the tropics. Hunting is completely absent from remote, depopulated forests. Examples include large parts of French Guiana and the headwaters of selected rivers a ...
Insect diversity: facts, fiction and speculation
... of tropical arthropods. The validity of this figure is discussed in the present paper. It is clear that even if there are five million, or as many as 30 million, species of tropical and other arthropods, the centre of diversity is in tropical rain forests. Many reasons for this have been suggested ( ...
... of tropical arthropods. The validity of this figure is discussed in the present paper. It is clear that even if there are five million, or as many as 30 million, species of tropical and other arthropods, the centre of diversity is in tropical rain forests. Many reasons for this have been suggested ( ...
Commonness and rarity determinants of woody
... avoid results driven by such internal variability, we apportioned the plots into six different forest types. The most distinctive floristic formation is the semideciduous dry forest (DR; ranging from 650 to 1,350 m), which is tropical dry forest characterized by lack of precipitation during 4–5 mont ...
... avoid results driven by such internal variability, we apportioned the plots into six different forest types. The most distinctive floristic formation is the semideciduous dry forest (DR; ranging from 650 to 1,350 m), which is tropical dry forest characterized by lack of precipitation during 4–5 mont ...
Tree species composition and diversity gradients in white
... The data used are from our inventories of 16 permanent plots established in the Mamirauá Sustainable Development Reserve, western Brazilian Amazon (11 plots, 9.25 ha: Queiroz, 1995; Wittmann et al., 2002; Schöngart, 2003); near the city of Manaus, central Brazilian Amazon (two plots, 1.8 ha: Wittm ...
... The data used are from our inventories of 16 permanent plots established in the Mamirauá Sustainable Development Reserve, western Brazilian Amazon (11 plots, 9.25 ha: Queiroz, 1995; Wittmann et al., 2002; Schöngart, 2003); near the city of Manaus, central Brazilian Amazon (two plots, 1.8 ha: Wittm ...
Temperate grassland limiting factors
... The Grassland Biome(s) Grasslands, prairies, steppes, plains - all these names describe the biome where grasses rule. Climate: The climate for grasslands is basically. This book brings together information on the contrasting characteristics, condition, present use and problems of the world's main na ...
... The Grassland Biome(s) Grasslands, prairies, steppes, plains - all these names describe the biome where grasses rule. Climate: The climate for grasslands is basically. This book brings together information on the contrasting characteristics, condition, present use and problems of the world's main na ...
species diversity, floristic composition and physiognomy changes in
... a rainforest remnant in southern Yunnan, China after 48 years. In order to investigate the effects of tropical forest fragmentation, a comparative study on floristic composition, plant life forms and ecological species groups in a 13.9 ha remnant tropical rainforest was conducted over 48 years (1959 ...
... a rainforest remnant in southern Yunnan, China after 48 years. In order to investigate the effects of tropical forest fragmentation, a comparative study on floristic composition, plant life forms and ecological species groups in a 13.9 ha remnant tropical rainforest was conducted over 48 years (1959 ...
The Forest Fire Situation in Mongolia
... the country occupies tenth place by area of forestland and first place by forest area per capita in the Asia region. About 92 percent of the total original forested area of 17.5 million hectares is currently growing trees, while 8 percent is not. Management of forest resources in Mongolia suffers fr ...
... the country occupies tenth place by area of forestland and first place by forest area per capita in the Asia region. About 92 percent of the total original forested area of 17.5 million hectares is currently growing trees, while 8 percent is not. Management of forest resources in Mongolia suffers fr ...
Twenty years of community dynamics in a mixed conifer – broad
... changes in forests are not well understood. This study examined demographic parameters of major tree species during a 20-year study of a 68 ha stand in which single-tree selection has been conducted since 1971. Results showed that growth and survival of conifers (mostly Abies sachalinensis (Fr. Schm ...
... changes in forests are not well understood. This study examined demographic parameters of major tree species during a 20-year study of a 68 ha stand in which single-tree selection has been conducted since 1971. Results showed that growth and survival of conifers (mostly Abies sachalinensis (Fr. Schm ...
Chapter 11
... alluvial deposits along floodplains, formation of sand dunes, and melting of glaciers. In contrast, secondary succession is the regrowth of vegetation on previously vegetated land following a disturbance such as fire, windthrow, logging, or farm abandonment. Succession is an integral part of forest ...
... alluvial deposits along floodplains, formation of sand dunes, and melting of glaciers. In contrast, secondary succession is the regrowth of vegetation on previously vegetated land following a disturbance such as fire, windthrow, logging, or farm abandonment. Succession is an integral part of forest ...
Floristic composition and environmental determinants of pine forests
... The reason for this tremendous decline are not fully understood but eutrophication and acidification processes due to high atmospheric nitrogen depositions and the abandonment of traditional management such as litter raking (PRIETZEL & KAISER 2005) seem to play a prominent role for the serious decl ...
... The reason for this tremendous decline are not fully understood but eutrophication and acidification processes due to high atmospheric nitrogen depositions and the abandonment of traditional management such as litter raking (PRIETZEL & KAISER 2005) seem to play a prominent role for the serious decl ...
SOIL CARBON, NUTRIENTS, AND MYCORRHIZAE DURING CONVERSION Restore 7 106 Mp
... species richness and Simpson’s diversity index) were not altered by wildfires and grass invasion. These results suggest that persistence and regeneration of forest plant species in the grasslands may not be constrained to a significant degree by the lack of mycorrhizal symbionts. These grasslands ap ...
... species richness and Simpson’s diversity index) were not altered by wildfires and grass invasion. These results suggest that persistence and regeneration of forest plant species in the grasslands may not be constrained to a significant degree by the lack of mycorrhizal symbionts. These grasslands ap ...
Habitat Loss and Fragmentation - Arkansas Forest Resources Center
... The creation of edge following fragmentation causes a number of biological changes (Harper, 2005). These changes are often similar or coupled to the biological changes that result from the creation of the fragment itself. These include changes in species composition, abundance, and distribution, as ...
... The creation of edge following fragmentation causes a number of biological changes (Harper, 2005). These changes are often similar or coupled to the biological changes that result from the creation of the fragment itself. These include changes in species composition, abundance, and distribution, as ...
研究事例 - CBD
... ② Coastal forests: Planted behind the sand dunes in order to provide protection from blown sand, coastal forests serve as stopovers for migratory birds, while also offering habitats and shelters for other fauna. ③ Kahoku Lagoon: In combination with its surrounding, the body of standing water of the ...
... ② Coastal forests: Planted behind the sand dunes in order to provide protection from blown sand, coastal forests serve as stopovers for migratory birds, while also offering habitats and shelters for other fauna. ③ Kahoku Lagoon: In combination with its surrounding, the body of standing water of the ...
RR handout packet - Sustainable Forests Education Cooperative
... Variable‐retention harvesting and the adaptation of conventional silvicultural systems to include reserved mature trees are increasingly being used to balance productivity objectives with biodiversity conservation. Using two operational‐scale studies that include a total of seven sites dominated ...
... Variable‐retention harvesting and the adaptation of conventional silvicultural systems to include reserved mature trees are increasingly being used to balance productivity objectives with biodiversity conservation. Using two operational‐scale studies that include a total of seven sites dominated ...
Forest Farmers: A Case Study of Traditional Shifting Cultivation in
... lowland along the river margins; and the upland above and away from the river. The quality of the lowland and upland soils differs considerably, the former being rich and fertile, the latter generally much less so. The Tawahka recognise 14 soil types, giving each one a different fertility rating. Th ...
... lowland along the river margins; and the upland above and away from the river. The quality of the lowland and upland soils differs considerably, the former being rich and fertile, the latter generally much less so. The Tawahka recognise 14 soil types, giving each one a different fertility rating. Th ...
Africa Atlas (English).indd
... Location of the Congo Basin forests in western Cameroon and eastern Democratic Although some vast, still-intact forest areas with no roads or Republic of the Congo (CARPE 2006). Table 2.1 compares forest navigable watercourses do remain in the Congo Basin, the area in each of the six countries that ...
... Location of the Congo Basin forests in western Cameroon and eastern Democratic Although some vast, still-intact forest areas with no roads or Republic of the Congo (CARPE 2006). Table 2.1 compares forest navigable watercourses do remain in the Congo Basin, the area in each of the six countries that ...
Issue Brief: Palm oil`s Assault on Tropical Biodiversity
... to this region, but it has become an increasingly lucrative crop mainly because of its value to the biodiesel industry. Encouraged largely by government incentives, palm oil plantations are growing rapidly in Brazil, and at great risk of deforestation is the carbon- and species-rich ecosystem that i ...
... to this region, but it has become an increasingly lucrative crop mainly because of its value to the biodiesel industry. Encouraged largely by government incentives, palm oil plantations are growing rapidly in Brazil, and at great risk of deforestation is the carbon- and species-rich ecosystem that i ...