Belly Button Biodiversity
... all the different kinds of living organisms within a given area. study of living things. science project or program where volunteers who are not scientists conduct surveys, take measurements, or record ...
... all the different kinds of living organisms within a given area. study of living things. science project or program where volunteers who are not scientists conduct surveys, take measurements, or record ...
Atmospheric vs Biological sources of polycyclic aromatic
... • Burning of fossil fuels, coal, oil refining etc • Essential to understand and predict the global dynamics and trends of these compounds • Tropical rain forest : limited knowledge of its distribution • Recently, biological sources of PAHs have been known. ...
... • Burning of fossil fuels, coal, oil refining etc • Essential to understand and predict the global dynamics and trends of these compounds • Tropical rain forest : limited knowledge of its distribution • Recently, biological sources of PAHs have been known. ...
Modeling the Boundaries of Plant Ecotones of Mountain Ecosystems
... altitudinal boundaries of the plant communities in the mountainous regions have also shifted [7–14]. Climate change may be a reason for the shifts of the boundaries of the natural zones, but the effect of the climate is often combined with the effects of the interactions between ecosystem components ...
... altitudinal boundaries of the plant communities in the mountainous regions have also shifted [7–14]. Climate change may be a reason for the shifts of the boundaries of the natural zones, but the effect of the climate is often combined with the effects of the interactions between ecosystem components ...
Document
... to represent a zone of edge influence that extends to both sides of the edge, in which structure or composition is different from either of the adjacent communities. This zone may actually begin some distance into the forest or in the adjacent non-forested area (Cadenasso et al. 1997, Harper and Mac ...
... to represent a zone of edge influence that extends to both sides of the edge, in which structure or composition is different from either of the adjacent communities. This zone may actually begin some distance into the forest or in the adjacent non-forested area (Cadenasso et al. 1997, Harper and Mac ...
Forest Bird Habitat Assessment
... United States; they are a "nursery" for approximately 70 species of neo-tropical migratory birds. Although some of these birds are still common in our area – many are experiencing long-term population declines and have been identified by Audubon Connecticut as Priority Species. Audubon Connecticut’s ...
... United States; they are a "nursery" for approximately 70 species of neo-tropical migratory birds. Although some of these birds are still common in our area – many are experiencing long-term population declines and have been identified by Audubon Connecticut as Priority Species. Audubon Connecticut’s ...
Grassland, Desert, and Tundra Biomes
... lose their brown fur and grow white fur that camouflages them with the winter snow. These animals are also extremely well insulated. Threats to the Tundra The tundra is one of the most fragile biomes on the planet. The food chains are relatively simple, so they are easily disrupted. Because conditio ...
... lose their brown fur and grow white fur that camouflages them with the winter snow. These animals are also extremely well insulated. Threats to the Tundra The tundra is one of the most fragile biomes on the planet. The food chains are relatively simple, so they are easily disrupted. Because conditio ...
Grassland, Desert, and Tundra Biomes
... these biomes, they change into desert and tundra biomes. As precipitation decreases in an area, the diversity of the species in the area also decreases. But while the number of different species is often smaller in areas that have less precipitation, the number of individuals of each species present ...
... these biomes, they change into desert and tundra biomes. As precipitation decreases in an area, the diversity of the species in the area also decreases. But while the number of different species is often smaller in areas that have less precipitation, the number of individuals of each species present ...
Density-dependence in common tree species in a tropical dry forest
... However, tree species seldom attain such high densities in mixed-species communities, particularly in speciesrich communities such as tropical forests, where most tree species are infrequent or rare. Are such species also regulated by density-dependent effects? It has been argued further that plants ...
... However, tree species seldom attain such high densities in mixed-species communities, particularly in speciesrich communities such as tropical forests, where most tree species are infrequent or rare. Are such species also regulated by density-dependent effects? It has been argued further that plants ...
Journal of Tropical Ecology The Sepik River (Papua New Guinea) is
... the Sepik River, a major river system in Papua New Guinea. We surveyed frogs at five sites within a continuous 150 × 500-km area of lowland rain forest bisected by the Sepik, using standardized visual and auditory survey techniques. We documented 769 frogs from 44 species. The similarity in species ...
... the Sepik River, a major river system in Papua New Guinea. We surveyed frogs at five sites within a continuous 150 × 500-km area of lowland rain forest bisected by the Sepik, using standardized visual and auditory survey techniques. We documented 769 frogs from 44 species. The similarity in species ...
Ecological indicator role of butterflies in Tam Dao National Park
... Ecological disturbance is a frequent and important process in tropical forest ecosystems, especially in developing countries such as Southeast Asia. Tropical forest communities have changed in composition and abundance over time due to forest succession, weather conditions as well as habitat fragmen ...
... Ecological disturbance is a frequent and important process in tropical forest ecosystems, especially in developing countries such as Southeast Asia. Tropical forest communities have changed in composition and abundance over time due to forest succession, weather conditions as well as habitat fragmen ...
Briefing on mangroves2 - Ministry of Environment, Lands and
... to many birds and aquatic marine life. The submerged roots and trunks and aerial forest provide a sheltered habitat for a diverse array of marine life that also include mosquitoes and are part of the food chain. In summary, the root systems of such unique trees provide ideal breeding, nursery and fe ...
... to many birds and aquatic marine life. The submerged roots and trunks and aerial forest provide a sheltered habitat for a diverse array of marine life that also include mosquitoes and are part of the food chain. In summary, the root systems of such unique trees provide ideal breeding, nursery and fe ...
Bio 101 Intro to Ecology
... The northern coniferous forest, or taiga, spans northern North America and Eurasia and is the largest terrestrial biome on Earth Precipitation varies; some have periodic droughts and others, especially near coasts, are wet Winters are cold; summers may be hot (e.g., Siberia ranges from 50C to 20C) F ...
... The northern coniferous forest, or taiga, spans northern North America and Eurasia and is the largest terrestrial biome on Earth Precipitation varies; some have periodic droughts and others, especially near coasts, are wet Winters are cold; summers may be hot (e.g., Siberia ranges from 50C to 20C) F ...
SHORT COMMUNICATION Microhabitat distribution of Drapetisca
... Figure 1.—The spatial distribution of D. alteranda (n 5 33) collected on 93 of the four most abundant tree species. Symbols indicate the presence (closed symbols) or absence (open symbols) of D. alteranda by tree type: Tilia americana (cross), Quercus alba (square), Fraxinus pennsylvanica (circle), ...
... Figure 1.—The spatial distribution of D. alteranda (n 5 33) collected on 93 of the four most abundant tree species. Symbols indicate the presence (closed symbols) or absence (open symbols) of D. alteranda by tree type: Tilia americana (cross), Quercus alba (square), Fraxinus pennsylvanica (circle), ...
corridors may not improve the conservation value of small reserves
... clear-cutting on forest songbirds (reviewed in Schmiegelow and Hannon 1999). One component of the ‘‘Calling Lake Fragmentation Project’’ is a large-scale replicated experiment in which forest reserves of different sizes were isolated by clear-cutting. Community composition and species abundances hav ...
... clear-cutting on forest songbirds (reviewed in Schmiegelow and Hannon 1999). One component of the ‘‘Calling Lake Fragmentation Project’’ is a large-scale replicated experiment in which forest reserves of different sizes were isolated by clear-cutting. Community composition and species abundances hav ...
The Ecological Significance of the Herbaceous Layer in
... Following a stand-initiating disturbance, such as the 1988 Yellowstone fires—or even a small-scale disturbance, such as the death and toppling of a large canopy tree—the response of woody and herbaceous plant species usually is quite vigorous. Intense competition can result, as the seedlings and spr ...
... Following a stand-initiating disturbance, such as the 1988 Yellowstone fires—or even a small-scale disturbance, such as the death and toppling of a large canopy tree—the response of woody and herbaceous plant species usually is quite vigorous. Intense competition can result, as the seedlings and spr ...
Recruitment Processes and Species Coexistence
... The regeneration niche was proposed by Grubb (1977) as a key factor for species coexistence. The concept of regeneration niche is related to the idea of ‘ safe site ’ for individual plants in terms of spatial variation. In herbaceous species, Harper, Williams and Sagar (1965), Hartgerink and Bazzaz ...
... The regeneration niche was proposed by Grubb (1977) as a key factor for species coexistence. The concept of regeneration niche is related to the idea of ‘ safe site ’ for individual plants in terms of spatial variation. In herbaceous species, Harper, Williams and Sagar (1965), Hartgerink and Bazzaz ...
Beech forests of Iran
... temperate forests is the Fagus (beech) genus. So far 20 beech species have been identified however, controversies do exist, while all these species are distributed in the northern hemisphere, only Fagus orientalis Lipsky occurs in Iran. The Iranian beech belt is connected to the European forests wit ...
... temperate forests is the Fagus (beech) genus. So far 20 beech species have been identified however, controversies do exist, while all these species are distributed in the northern hemisphere, only Fagus orientalis Lipsky occurs in Iran. The Iranian beech belt is connected to the European forests wit ...
articles - Cary Institute of Ecosystem Studies
... Massachusetts from Europe in 1869. 22 Since the early 20th century, gypsy moth populations have tended to irrupt at approximately 10-year intervals. 23 At our New York study sites, gypsy moths undergo fluctuations of over five orders of magnitude, from 0.1 moth egg masses to over 10,000 egg masses p ...
... Massachusetts from Europe in 1869. 22 Since the early 20th century, gypsy moth populations have tended to irrupt at approximately 10-year intervals. 23 At our New York study sites, gypsy moths undergo fluctuations of over five orders of magnitude, from 0.1 moth egg masses to over 10,000 egg masses p ...
The canopy beetle faunas of Gondwanan element trees in Chilean
... New Zealand rather than with the tropical regions of South America (Arias, 2000; Elgueta, 2000). As a consequence, a common Gondwanan origin for these faunas could be hypothesized. Little work, however, has been conducted on the beetles that inhabit the canopies of Chilean forests that are the subje ...
... New Zealand rather than with the tropical regions of South America (Arias, 2000; Elgueta, 2000). As a consequence, a common Gondwanan origin for these faunas could be hypothesized. Little work, however, has been conducted on the beetles that inhabit the canopies of Chilean forests that are the subje ...
Bats Come Home to Roost
... the type of roosts they inhabit bats can be classified into two types: sylvan bats (which almost exclusively inhabit natural roosts) and synanthropic bats (which predominantly live in man-made shelters). The former group is more interesting in scientific terms, because it can be seen as a kind of li ...
... the type of roosts they inhabit bats can be classified into two types: sylvan bats (which almost exclusively inhabit natural roosts) and synanthropic bats (which predominantly live in man-made shelters). The former group is more interesting in scientific terms, because it can be seen as a kind of li ...
The Jemez Mountains Salamander
... 90% of this salamander’s populations are contained within the boundaries of the Santa Fe National Forest. If listed under the Endangered Species Act (ESA), the Jemez Mountains salamander should be given habitat protections that will not only ensure its survival for future generations, but would also ...
... 90% of this salamander’s populations are contained within the boundaries of the Santa Fe National Forest. If listed under the Endangered Species Act (ESA), the Jemez Mountains salamander should be given habitat protections that will not only ensure its survival for future generations, but would also ...
PDF - Smithsonian Tropical Research Institute
... details). Canopy arthropods were collected by three main techniques. Firstly, composite flight interception traps, consisting of malaise and window trap subunits, were set up in five A . actinophyllum trees and were run continuously day and night during the consecutive years 1986 and 1987. Secondly, ...
... details). Canopy arthropods were collected by three main techniques. Firstly, composite flight interception traps, consisting of malaise and window trap subunits, were set up in five A . actinophyllum trees and were run continuously day and night during the consecutive years 1986 and 1987. Secondly, ...
2014-Biomes-Biogeography
... same species residing in a specific area. • Community – all populations of different species residing in a specific area. • Ecosystem – an ecological community of both biotic and abiotic components, and their interactions with one another. • Biome – a regional ecosystem characterized by distinct typ ...
... same species residing in a specific area. • Community – all populations of different species residing in a specific area. • Ecosystem – an ecological community of both biotic and abiotic components, and their interactions with one another. • Biome – a regional ecosystem characterized by distinct typ ...
niche dynamics of deer mice in a fragmented, old-growth
... more than a decade ago, " ... habitat fragmentation is the most serious threat to biological diversity and is the primary cause of the present extinction crisis." Habitat fragmentation threatens thousands of plants and animals now isolated on ever-shrinking islands of native habitat. The ecological ...
... more than a decade ago, " ... habitat fragmentation is the most serious threat to biological diversity and is the primary cause of the present extinction crisis." Habitat fragmentation threatens thousands of plants and animals now isolated on ever-shrinking islands of native habitat. The ecological ...