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The Vertebrate Fauna of Northern Yengo National Park
The Vertebrate Fauna of Northern Yengo National Park

... information layers are not available for the reserve. We recommend that fire intensity mapping be carried out after future fire events. Furthermore, vegetation community mapping currently available for northern Yengo National Park is too coarse to delineate many important habitat features. It is the ...
pdf file
pdf file

... aerate - To add oxygen to water or soil. aeration zone - The zone immediately below the land surface where the pores contain both water and air, but are not totally saturated with water. Plant roots can capture the moisture passing through this zone, but it cannot provide water for wells.  Also know ...
status of the Canada warbler in Alberta
status of the Canada warbler in Alberta

... residual trees. In the eastern portion of their range they are associated with mixedwood swampland forests and early successional forests created by harvest or natural disturbance. Canada warblers have been the focus of few directed studies, particularly in the western portion of their range. Number ...
Ecological Role of Vertebrate Scavengers
Ecological Role of Vertebrate Scavengers

... 1977). This race can lead to sometimes intense competition among microbes, invertebrates, and vertcbrate scavengers for the resources sequestered in a carcass (DeVault et a1. 2003). Competition among these groups is shaped by factors associated with the carcass itself, but also by factors associated ...
North-East Atlantic and Baltic Sea Health Check
North-East Atlantic and Baltic Sea Health Check

... deposits, which can be several kilometres thick, include muddy and sandy substrata, areas dominated by sand deposits, and coarse sand and gravel beds. The coastal landscape in the region is also very variable.ix Offshore sandbanks and mud flats, as well as gravel beds, are important habitats for man ...
COSEWIC assessment and status report on the Behr`s Hairstreak
COSEWIC assessment and status report on the Behr`s Hairstreak

... Behr’s Hairstreak is not known to migrate. Adults appear to have limited dispersal capabilities and remain within close proximity to Antelope-brush habitat. Average dispersal distances for the butterfly, based on field studies completed in the south Okanagan Valley, are 80 – 120 m depending on sprin ...
Recruitment limitation in secondary forests dominated by
Recruitment limitation in secondary forests dominated by

... (Zucardi et al. 1968) and pH 5.5 - 6.8 (see Results). Ca. 30 native and 10 exotic canopy trees occur in the study area, many of which are winter/drought deciduous. Canopy height is typically 15 - 30 m. Most of the study area was deforested (primarily for citrus orchards and sugar cane) during the fi ...
An overview of studies on trophic ecology in the
An overview of studies on trophic ecology in the

... and Ambrose, 1985). Linkage density, the number of trophic links per species, once thought to be constant, is now known to increase with the number of species in the web (Cohen et al., 1990). The existence of gradients of trophic functions in these systems may represent the best way the communities ...
MN Rangelands final
MN Rangelands final

... Rangeland management is the careful use and stewardship of rangelands to meet the needs and  desires of those who live on and care about these lands. Rangeland management involves managing  unforested lands with natural plant communities dominated by grasses, shrubs, and forbs. This  endeavor is dif ...
Options and limitations of statistical modelling as a tool for
Options and limitations of statistical modelling as a tool for

... Alexander Darr, geb. am 16.06.1975 in Melle aus Rostock Rostock, den 12.12.2013 ...
Vernal Pool Fairy Shrimp
Vernal Pool Fairy Shrimp

... Vernal pool fairy shrimp are threatened by the same activities as other vernal pool invertebrates. These threats include the conversion of vernal pool habitat to agricultural lands and urban development, and stochastic extinction because of the small and isolated nature of remaining populations (U.S ...
Global amphibian declines: sorting the hypotheses - Collins Lab
Global amphibian declines: sorting the hypotheses - Collins Lab

... Wetlands covered 69% of the southern and 23% of the northern part of the study area in presettlement times. Drainage of wetlands for agriculture began in the 1800s, and wetlands (often artificial agricultural ponds) now cover 3% of the south and 10% of the north. Heading from south to north, forest ...
Species coexistence and the superior ability of an invasive species
Species coexistence and the superior ability of an invasive species

... We tested the generality of interactions by including crabs of varying sizes in the experiment (carapace width range of 12–23 mm), however, crabs used in any particular replicate were matched to have similar carapace width (within 3 mm). Enclosures were 30 cm length " 30 cm width " 15 cm height wit ...
Predicting invasion in grassland ecosystems: is exotic
Predicting invasion in grassland ecosystems: is exotic

... (low exotic richness but high exotic cover). Both exotic cover and richness were predicted by native plant diversity (native grass richness) and land use (distance to cultivation). Although climate was important for predicting both exotic cover and richness, climatic factors predicting cover (precip ...
Palaeoenvironment at Gravettian Sites in Central Europe with
Palaeoenvironment at Gravettian Sites in Central Europe with

... loess was not subsequently blown away. This means that Gravettian people at Předmostí did not live in a stable climate and experienced at least two climatic oscillations, firstly an arid climate with the formation of loess and then a more humid period with greater precipitation, solifluction and coo ...
ITTO guidelines for the restoration, management and rehabilitation of
ITTO guidelines for the restoration, management and rehabilitation of

... today the largest land reserve for agriculture and livestock production. Conversion into these alternative land-uses, if adequately planned and if the converted areas are properly managed, can minimize local pressure on the remaining primary forests. Nevertheless, there remain large tracts of degrad ...
Effects of elevated CO2 on keystone herbivores in modern Arctic
Effects of elevated CO2 on keystone herbivores in modern Arctic

... arctic herbivores and likely compromise their ability to numerically respond to the predicted increase in plant growth (see section 1.5). There are also “top down” processes such as herbivory and predation in arctic ecosystems that are important in influencing how the biota responds to elevated CO2. ...
Solomon et al. 2010
Solomon et al. 2010

... We also tested the effectiveness of a rapid assessment protocol for detecting the presence of B. chinensis. Two observers snorkeled around the vicinity of the boat launch (if present) for up to 5 min each, or until B. chinensis was found. We conducted this rapid assessment at 27 of the focal survey ...
CBD Fourth National Report - Botswana (English version)
CBD Fourth National Report - Botswana (English version)

... 2.3.2 Long-term conservation of Botswana's biological diversity, genetic resources and related knowledge .......................................................................................................................... 58 ...
New Zealand as ecosystems - Department of Conservation
New Zealand as ecosystems - Department of Conservation

... of adapted fit with many species integrated into long persisting relationships, life perpetually sustained and renewed. There is cycling and re-cycling of energy and materials. The member organisms flourish in their interrelated niches. The system is spontaneously selforganising. There is resistance ...
Habitat Selection and Indirect Interactions in Fish Communities
Habitat Selection and Indirect Interactions in Fish Communities

... Smith (1988), and Jakobsen et al. (1988), who found that risk-taking behaviour increased with hunger or energy deficit. Larger sizes of many fish species are omnivorous (predators on more than one trophic level), which implies that individuals can, depending on their relative sizes, be prey, competi ...
ESA 2010 handbook - Ecological Society of Australia
ESA 2010 handbook - Ecological Society of Australia

... studying population and community dynamics of the boreal forest and tundra regions of western Canada. He is retired from the University of British Columbia and lives in Canberra during the northern winter. ...
Avon Wheatbelt 1 (AW1 - Ancient Drainage
Avon Wheatbelt 1 (AW1 - Ancient Drainage

... and M. lateriflora contain individuals that produce higher than average quantities of cineole oil. Identifying these individuals in native vegetation, and introducing their genetic material into breeding programs is critical to the success of this program. The subregion supports significant populati ...
PROJECT PORTFOLIO LEVELS 4 and 5 MARINE SCIENCE
PROJECT PORTFOLIO LEVELS 4 and 5 MARINE SCIENCE

... To be eligible for Honours or to do a research project within the Masters degree, student must attain an average of 65% over 4 core subjects at either Level 3 or 4. The availability of projects will depend very much on the areas in which staff are currently working and the funding they have availabl ...
West Indian Manatee Carrying Capacity
West Indian Manatee Carrying Capacity

... warm water capacity, SAV, and available fresh water. For the manatee, these are the only naturally occurring and constantly present limitations to population – or in other words the elements defining CC. The greatest danger of continued mis-classification of the manatee is the inability to actually ...
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Biological Dynamics of Forest Fragments Project



The Biological Dynamics of Forest Fragments Project, originally called the Minimum Critical Size of Ecosystems Project is a large-scale ecological experiment looking at the effects of habitat fragmentation on tropical rainforest; it is one of the most expensive biology experiments ever run. The experiment, which was established in 1979 is located near Manaus, in the Brazilian Amazon. The project is jointly managed by the Smithsonian Institution and INPA, the Brazilian Institute for Research in the Amazon.The project was initiated in 1979 by Thomas Lovejoy to investigate the SLOSS debate. Initially named the Minimum Critical Size of Ecosystems Project, the project created forest fragments of sizes 1 hectare (2 acres), 10 hectares (25 acres), and 100 hectares (247 acres). Data were collected prior to the creation of the fragments and studies of the effects of fragmentation now exceed 25 years.As of October 2010 562 publications and 143 graduate dissertations and theses had emerged from the project.
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