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 ...
Consequences of forest fragmentation for the dynamics of bird
... and it applies to all living organisms (Lord & Norton, 1990). In this paper I restrict myself to one taxonomic group confined to one type of habitat; birds (Aves) in forest habitats. My objectives are: first, to present some conceptual issues related to spatial scale; second, to give an overview of ...
... and it applies to all living organisms (Lord & Norton, 1990). In this paper I restrict myself to one taxonomic group confined to one type of habitat; birds (Aves) in forest habitats. My objectives are: first, to present some conceptual issues related to spatial scale; second, to give an overview of ...
Niche versus chance and tree diversity in forest gaps
... resources. For example, if light and soil resources vary pretrees do not show enough differences in distribution or dictably within and among gaps, competition could lead to specialization on different levels of these resources 46 . Furbehavior to suggest that coexistence of many species is thermore ...
... resources. For example, if light and soil resources vary pretrees do not show enough differences in distribution or dictably within and among gaps, competition could lead to specialization on different levels of these resources 46 . Furbehavior to suggest that coexistence of many species is thermore ...
summary - World Bank Group
... protected areas implementation of thinning is restricted. Restriction of this activity in the forests of Oni region shall not affect greatly social-economic development of the region, as amount of timber is not substantial. As to provision of timber resources to local population, sanitary cutting is ...
... protected areas implementation of thinning is restricted. Restriction of this activity in the forests of Oni region shall not affect greatly social-economic development of the region, as amount of timber is not substantial. As to provision of timber resources to local population, sanitary cutting is ...
Natural Disturbance and Environmental Assessments in
... • 80 year fire cycle (i.e., 1/80th of the study area burns each year) • Fire size followed a log normal distribution (many small fires and few large fires) • Forested vegetation cover classes all had an equivalent potential to burn (circular fires applied, fires can overlap) • Ecosystem succession n ...
... • 80 year fire cycle (i.e., 1/80th of the study area burns each year) • Fire size followed a log normal distribution (many small fires and few large fires) • Forested vegetation cover classes all had an equivalent potential to burn (circular fires applied, fires can overlap) • Ecosystem succession n ...
Can the pre-Neolithic provide suitable models for re
... are rare in the pollen records. Obstruction provided by woodland-edge vegetation would minimise pollen dispersal from open grassy areas in forests to mires. This argument is, however, valid only if either woody vegetation grew preferentially around mire edges or the proportion of woody vegetation in ...
... are rare in the pollen records. Obstruction provided by woodland-edge vegetation would minimise pollen dispersal from open grassy areas in forests to mires. This argument is, however, valid only if either woody vegetation grew preferentially around mire edges or the proportion of woody vegetation in ...
Cohabitants o`fthe Shoreline
... aspen; 2) increased numbers and longer-lived conifers; 3) more harvesting through thinnings and selection systems; and 4) production of more saw timber and higher value products. Betterll_OM31_ has considered some of these issues. In our last issue we discussed use of aspen and believe that, while c ...
... aspen; 2) increased numbers and longer-lived conifers; 3) more harvesting through thinnings and selection systems; and 4) production of more saw timber and higher value products. Betterll_OM31_ has considered some of these issues. In our last issue we discussed use of aspen and believe that, while c ...
Succession Among the Ocean Tides
... North America, French voyagers traveled through this region hunting and trading for furs. In some places, logging and farming was common in the nineteenth and early twentieth centuries, hut for the most part the land has been relatively untouched. In spite of the lack of human influence, the forests ...
... North America, French voyagers traveled through this region hunting and trading for furs. In some places, logging and farming was common in the nineteenth and early twentieth centuries, hut for the most part the land has been relatively untouched. In spite of the lack of human influence, the forests ...
Document Word - UNESCO World Heritage Centre
... The nominated area contains the typical ecosystems of temperate arid deserts. According to recognized global bio-geographical systems (Udvardy 1975), the nominated heritage is a typical representative of the Taklimakan Gobi Desert Biogeographical Province, and the important bird area (CN115) of Takl ...
... The nominated area contains the typical ecosystems of temperate arid deserts. According to recognized global bio-geographical systems (Udvardy 1975), the nominated heritage is a typical representative of the Taklimakan Gobi Desert Biogeographical Province, and the important bird area (CN115) of Takl ...
The Value of Coarse Woody Debris to Vertebrates in the Pacific
... Many woodpecker species forage extensively on invertebrates found in dying and dead trees and logs. Woodpecker foraging may effectively reduce populations of some bark beetles (Steeger and others 1998). In northeastern Oregon, 38 percent of pileated woodpecker foraging was on dead trees, and 38 perc ...
... Many woodpecker species forage extensively on invertebrates found in dying and dead trees and logs. Woodpecker foraging may effectively reduce populations of some bark beetles (Steeger and others 1998). In northeastern Oregon, 38 percent of pileated woodpecker foraging was on dead trees, and 38 perc ...
The location of Dadia
... pointed out by scientists • In 1987 several management projects were undertaken, for example the feeding area • Natura 2000 (E.U. Directive 92/43) declared Dadia as S.P.A. (from brochure) ...
... pointed out by scientists • In 1987 several management projects were undertaken, for example the feeding area • Natura 2000 (E.U. Directive 92/43) declared Dadia as S.P.A. (from brochure) ...
CHANGES IN PLANT SPECIES COMPOSITION FOLLOWING A
... In the BIOTA Africa research programme of the German Federal Ministry of Education and Research (BMBF), a continental network of so-called biodiversity observatories has been installed in Africa. They serve as permanent monitoring plots of biodiversity changes in the context of global change. Our st ...
... In the BIOTA Africa research programme of the German Federal Ministry of Education and Research (BMBF), a continental network of so-called biodiversity observatories has been installed in Africa. They serve as permanent monitoring plots of biodiversity changes in the context of global change. Our st ...
Africa as a Species Machine
... Africa’s complex matrix of altitudes, when Pleistocene climate-changes altered most habitats across a biome, patches of the old habitats would usually be preserved. In other words, during the Pleistocene’s dramatic fluctuations in temperature and rainfall, major habitat-types might disappear from va ...
... Africa’s complex matrix of altitudes, when Pleistocene climate-changes altered most habitats across a biome, patches of the old habitats would usually be preserved. In other words, during the Pleistocene’s dramatic fluctuations in temperature and rainfall, major habitat-types might disappear from va ...
Seasonally Dry Tropical Forest Biodiversity and Conservation Value
... strips provide the highest quality tree cover, with vegetation structure and composition most similar to intact forest areas. Live fences are widely used in Mesoamerica and provide corridors for animal movement and breeding/ nesting sites (Budowski 1987; Estrada et al. 2000; Estrada and CoastesEstra ...
... strips provide the highest quality tree cover, with vegetation structure and composition most similar to intact forest areas. Live fences are widely used in Mesoamerica and provide corridors for animal movement and breeding/ nesting sites (Budowski 1987; Estrada et al. 2000; Estrada and CoastesEstra ...
Biodiversity and Interior Habitats: The Need to Minimize Edge
... In the depths of many mature and old-growth forests in British Columbia, a specialized range of plant and animal life exists. Some of these species depend on the more stable climatic environment of the forested interior, while others require the snags and decaying woody debris often found there. Som ...
... In the depths of many mature and old-growth forests in British Columbia, a specialized range of plant and animal life exists. Some of these species depend on the more stable climatic environment of the forested interior, while others require the snags and decaying woody debris often found there. Som ...
dodo and calvaria
... producing an evenly dispersed distribution in the adult tree population. But in Madagascar, which is strikingly depauperate in avian frugivores, few bird species (3) dispersed seeds, leading to very low dispersal percentages (7.9%). Consequently, seedlings established close to and under parent trees ...
... producing an evenly dispersed distribution in the adult tree population. But in Madagascar, which is strikingly depauperate in avian frugivores, few bird species (3) dispersed seeds, leading to very low dispersal percentages (7.9%). Consequently, seedlings established close to and under parent trees ...
Ecosystems
... – the average weather conditions (sunlight, rain & temperature) in an area over a long period of time. ...
... – the average weather conditions (sunlight, rain & temperature) in an area over a long period of time. ...
SNA Project Report Pages 69-82 Summary of Ecological Results
... Stoats prey on nesting birds, including larger species like kereru and kaka. They have a large range being able to travel many kilometres per day. Rats also prey on nesting birds with particular known impacts on robins, tomtits and kereru, but also prey heavily on invertebrates and feed on seeds and ...
... Stoats prey on nesting birds, including larger species like kereru and kaka. They have a large range being able to travel many kilometres per day. Rats also prey on nesting birds with particular known impacts on robins, tomtits and kereru, but also prey heavily on invertebrates and feed on seeds and ...
Environmental Change Impacts on Indus Riverine Forest, Sindh
... that area (Billing, 1970). Based on the temperature regime, Sindh has two different parts i.e. upper Sindh and the Lower Sindh. The meteorological data (IUCN, 2004) shows that there is no significant difference in mean annual temperatures between two eco-zones, but there is significant difference in ...
... that area (Billing, 1970). Based on the temperature regime, Sindh has two different parts i.e. upper Sindh and the Lower Sindh. The meteorological data (IUCN, 2004) shows that there is no significant difference in mean annual temperatures between two eco-zones, but there is significant difference in ...
Spatial structure - e
... shade-tolerant species, regeneration can survive. Shadeintolerant species often show mono-layered stand, trees that are shade intolerant can not survive in the understories. ...
... shade-tolerant species, regeneration can survive. Shadeintolerant species often show mono-layered stand, trees that are shade intolerant can not survive in the understories. ...
High Conservation Value Forest Assessment in the Alberta
... useful indicators of forest and lake management. The bat is known to be associated with riparian oldgrowth forest; the woodpecker is known to be associated with old-growth and recent burns and is susceptible to fire suppression and salvage logging; the pelican is a good indicator of lake management ...
... useful indicators of forest and lake management. The bat is known to be associated with riparian oldgrowth forest; the woodpecker is known to be associated with old-growth and recent burns and is susceptible to fire suppression and salvage logging; the pelican is a good indicator of lake management ...
1 Invasive plants, insects, and diseases in the forests of the
... There are some 455 invasive insects in U.S. forests, though only about 62 cause significant ecosystem damage (Aukema et al. 2011). Of those insects that have a significant impact on forested ecosystems, about a third feed on sap, a quarter are wood borers, and the remainder feed on foliage (Aukema e ...
... There are some 455 invasive insects in U.S. forests, though only about 62 cause significant ecosystem damage (Aukema et al. 2011). Of those insects that have a significant impact on forested ecosystems, about a third feed on sap, a quarter are wood borers, and the remainder feed on foliage (Aukema e ...
Descriptions - Bird Studies Canada
... that evaluation and adaptability are critical components of successful conservation efforts. “Landscape-oriented” recognizes the response of bird populations to habitat conditions across broad ecoregions and the need for conservation to operate at multiple geographic scales. The NABCI vision is one ...
... that evaluation and adaptability are critical components of successful conservation efforts. “Landscape-oriented” recognizes the response of bird populations to habitat conditions across broad ecoregions and the need for conservation to operate at multiple geographic scales. The NABCI vision is one ...
Spatial patterns in the tropical forest reveal connections
... One of the main characteristics of natural populations, and in particular of sessile species, is their spatial structure. In many cases conspecific individuals are aggregated in space, a phenomena that may be attributed to various mechanisms like dispersal limitation [1,2], positive feedback [35] or ...
... One of the main characteristics of natural populations, and in particular of sessile species, is their spatial structure. In many cases conspecific individuals are aggregated in space, a phenomena that may be attributed to various mechanisms like dispersal limitation [1,2], positive feedback [35] or ...
Pine Sawfly Report - Colorado State Forest Service
... The annual aerial forest health survey of the infested area will occur in August. The survey will provide a map of defoliated areas and an estimate of acres affected by this outbreak. Because most of the larvae aggregated at the base of infested trees were immature, it is likely that they will die, ...
... The annual aerial forest health survey of the infested area will occur in August. The survey will provide a map of defoliated areas and an estimate of acres affected by this outbreak. Because most of the larvae aggregated at the base of infested trees were immature, it is likely that they will die, ...