Trophic ecology of reef sharks determined using stable isotopes and
... hypothesis that the two groups feed in different areas (inside vs. outside Coral Bay). We combined detections from all nine receivers and considered an individual present in Coral Bay if detected more than once by the array in a day. Residency to Skeleton Bay (an aggregation site within the Coral Ba ...
... hypothesis that the two groups feed in different areas (inside vs. outside Coral Bay). We combined detections from all nine receivers and considered an individual present in Coral Bay if detected more than once by the array in a day. Residency to Skeleton Bay (an aggregation site within the Coral Ba ...
Community and foodweb ecology of freshwater mussels
... among testing procedures. In spite of the potential variability, several studies have produced similar volume estimates. Maximum filtration has been estimated at ;0.5 to 1 L/h for a 61-mm-long mussel (Alimov 1969, Kryger and Riisgard 1988, Pusch et al. 2001, McIvor 2004). Water entry and exit from t ...
... among testing procedures. In spite of the potential variability, several studies have produced similar volume estimates. Maximum filtration has been estimated at ;0.5 to 1 L/h for a 61-mm-long mussel (Alimov 1969, Kryger and Riisgard 1988, Pusch et al. 2001, McIvor 2004). Water entry and exit from t ...
Interactions between Micro- and Macroparasites Predict
... online enhancements and identify the rare cases when these results differ from the main conclusions. In a more focused set of analyses, we also investigated our prediction at the level of the parasite genus (“generichelminth prevalence”). For this, we calculated a weighted average based on sample si ...
... online enhancements and identify the rare cases when these results differ from the main conclusions. In a more focused set of analyses, we also investigated our prediction at the level of the parasite genus (“generichelminth prevalence”). For this, we calculated a weighted average based on sample si ...
Habitat selection as a major resource partitioning mechanism
... related provide the best opportunities not only to chal! lenge the ecomorphological paradigm\ but also to investigate the processes shaping niche evolution in general[ Henceforth\ the terms {sibling species| delib! erately refer to pairs of morphologically similar spec! ies that share a recent commo ...
... related provide the best opportunities not only to chal! lenge the ecomorphological paradigm\ but also to investigate the processes shaping niche evolution in general[ Henceforth\ the terms {sibling species| delib! erately refer to pairs of morphologically similar spec! ies that share a recent commo ...
Ant Species Identity has a Greater Effect than Fire on the Outcome of
... in this case because we were interested in a very specific year effect (before, during, and after fire). Our prediction was that effect size would be higher for years 1999 and 2001 compared to year 2000 when ant abundance would be reduced, due to the fire effects. Preplanned comparisons (the two contro ...
... in this case because we were interested in a very specific year effect (before, during, and after fire). Our prediction was that effect size would be higher for years 1999 and 2001 compared to year 2000 when ant abundance would be reduced, due to the fire effects. Preplanned comparisons (the two contro ...
Full text in pdf format
... would be to use replicate basins of each treatment, on the premise that confounding sources of variation will be randomly allocated over each set of replicates. Thus, every treatment will b e sampled with the same average value of each background intrinsic variable (Hurlbert 1984). The only experime ...
... would be to use replicate basins of each treatment, on the premise that confounding sources of variation will be randomly allocated over each set of replicates. Thus, every treatment will b e sampled with the same average value of each background intrinsic variable (Hurlbert 1984). The only experime ...
EU NON-NATIVE SPECIES RISK ANALYSIS – RISK ASSESSMENT
... Snakeheads used in the aquarium fish trade include a few small species and brightly colored juveniles of several large snakeheads. They are moderately popular with hobbyists in Japan and Europe. There are no economic data on this specific market for these species, although it is probably very low. S ...
... Snakeheads used in the aquarium fish trade include a few small species and brightly colored juveniles of several large snakeheads. They are moderately popular with hobbyists in Japan and Europe. There are no economic data on this specific market for these species, although it is probably very low. S ...
Factors Influencing Woodlands of Southwestern North Dakota
... impacted the woodlands in two ways: (1) livestock would concentrate in the woodlands with surface water, as no other water developments were available, and (2) too many cattle were present in some years (Mattison 1969). Ranching was quite profitable until 1886, when a harsh winter in the south force ...
... impacted the woodlands in two ways: (1) livestock would concentrate in the woodlands with surface water, as no other water developments were available, and (2) too many cattle were present in some years (Mattison 1969). Ranching was quite profitable until 1886, when a harsh winter in the south force ...
Facultative mutualism between an herbivorous crab and a coralline
... and is commonly found from the Bahamas and Miami throughout the Caribbean to Abrolhos Islands, Brazil (Rathbun 1925). The species occurs intertidally, under rocks at low tide, and to a depth of 55 m on grass, sand, shell, or mud bottoms (Rathbun 1925; Powers 1977). Males are generally larger than fe ...
... and is commonly found from the Bahamas and Miami throughout the Caribbean to Abrolhos Islands, Brazil (Rathbun 1925). The species occurs intertidally, under rocks at low tide, and to a depth of 55 m on grass, sand, shell, or mud bottoms (Rathbun 1925; Powers 1977). Males are generally larger than fe ...
View plan for Kaluaa and Waieli
... prevent monotypic stands from expanding. Vegetation monitoring will provide NRS with spatial distribution and density trends for these species and will be used to assess priority weed control strategy on an MU scale. Another invasive tree which is targeted for control on a WCA scale is Tonna ciliate ...
... prevent monotypic stands from expanding. Vegetation monitoring will provide NRS with spatial distribution and density trends for these species and will be used to assess priority weed control strategy on an MU scale. Another invasive tree which is targeted for control on a WCA scale is Tonna ciliate ...
Population-Wide Changes in Pinyon-Juniper Woodlands Caused by
... Pinyon or juniper species were found on 14,929 plots, measured between 1981 and 2005, in the FIA database. Of the total number of plots, 10,807 were unique plot locations, with the remainder being repeat visits to plots in different inventory cycles. Of the 298,324 trees measured on all plots, 212,1 ...
... Pinyon or juniper species were found on 14,929 plots, measured between 1981 and 2005, in the FIA database. Of the total number of plots, 10,807 were unique plot locations, with the remainder being repeat visits to plots in different inventory cycles. Of the 298,324 trees measured on all plots, 212,1 ...
Bacterial colonization and extinction on marine aggregates
... and physical processes such as the sinking rate of particles with a contribution from bacterial swimming (Kiørboe et al. 2002; Grossart et al. 2003b). Colonization therefore depends on aggregate size and background bacterial density. This deterministic model has been found to describe well the abund ...
... and physical processes such as the sinking rate of particles with a contribution from bacterial swimming (Kiørboe et al. 2002; Grossart et al. 2003b). Colonization therefore depends on aggregate size and background bacterial density. This deterministic model has been found to describe well the abund ...
Biodiversity in a Changing World
... The threats facing Ontario’s plant and animal species are constantly increasing. However, there are five main threats that are impacting all species across Ontario, pollution, habitat loss, invasive species, unsustainable use and climate change. Pollution of the natural ecosystems includes contamina ...
... The threats facing Ontario’s plant and animal species are constantly increasing. However, there are five main threats that are impacting all species across Ontario, pollution, habitat loss, invasive species, unsustainable use and climate change. Pollution of the natural ecosystems includes contamina ...
View plan for Kahuku Training Area
... reforestation projects throughout Oahu. This is a high priority for OANRP due to the allelopathic activities of this species, as well as the ability to harbor Puccinia psidii,Ohia rust. OANRP staff thoroughly sweep inside MU fences as well as a 5m buffer around the MU fences. First started control i ...
... reforestation projects throughout Oahu. This is a high priority for OANRP due to the allelopathic activities of this species, as well as the ability to harbor Puccinia psidii,Ohia rust. OANRP staff thoroughly sweep inside MU fences as well as a 5m buffer around the MU fences. First started control i ...
Rehabilitation and Restoration of Degraded Forests
... WWF’s vision for the forests of the world, shared with its long-standing partner, IUCN, is that: “the world will have more extensive, more diverse and higher-quality forest landscapes which will meet human needs and aspirations fairly, while conserving biological diversity and fulfilling the ecosyst ...
... WWF’s vision for the forests of the world, shared with its long-standing partner, IUCN, is that: “the world will have more extensive, more diverse and higher-quality forest landscapes which will meet human needs and aspirations fairly, while conserving biological diversity and fulfilling the ecosyst ...
Quadrats Online: Teacher Notes
... A quadrat is a tool used to record the abundance or density of a particular species in a study area. In some instances it may be possible to simply count the number of organisms of a particular species in an area. However, in most cases counting all of the organisms would not be practical and other ...
... A quadrat is a tool used to record the abundance or density of a particular species in a study area. In some instances it may be possible to simply count the number of organisms of a particular species in an area. However, in most cases counting all of the organisms would not be practical and other ...
Reports
... on Sandalsnuten, Finse, in the northern part of Hardangervidda (;608 N, 78 E), the alpine region of southwest Norway (see Plate 1). Mean monthly temperature during June, July, and August at 1200 m elevation at Finse is 6.38C (Aune 1993), and mean monthly precipitation during the same months is 89 mm ...
... on Sandalsnuten, Finse, in the northern part of Hardangervidda (;608 N, 78 E), the alpine region of southwest Norway (see Plate 1). Mean monthly temperature during June, July, and August at 1200 m elevation at Finse is 6.38C (Aune 1993), and mean monthly precipitation during the same months is 89 mm ...
Perennial habitat fragments, parasitoid diversity and
... 1. Agricultural intensification has led to the removal of semi-wild, perennial vegetation in agricultural landscapes. However, in short-cycle crops, frequent disturbance from insecticides, harvesting and tillage disrupts the establishment of resident communities of natural enemies of pests. Semi-wil ...
... 1. Agricultural intensification has led to the removal of semi-wild, perennial vegetation in agricultural landscapes. However, in short-cycle crops, frequent disturbance from insecticides, harvesting and tillage disrupts the establishment of resident communities of natural enemies of pests. Semi-wil ...
The ecology of vertebrate pests and integrated pest management
... assure safer and more effective use of rodenticides in cropland settings (Jackson, 2001; Ramsey and Wilson, 2000). In many countries, the use of rodenticides is carefully regulated by federal and/or state and provincial governments.Authorities decide who can use rodenticides and what training and re ...
... assure safer and more effective use of rodenticides in cropland settings (Jackson, 2001; Ramsey and Wilson, 2000). In many countries, the use of rodenticides is carefully regulated by federal and/or state and provincial governments.Authorities decide who can use rodenticides and what training and re ...
HABITAT DESCRIPTIONS: UPLAND HABITATS
... (Hamamelis virginiana), lowbush blueberry (Vaccinium pallidum), spicebush (Lindera benzoin), striped maple (Acer pensylvanicum), alternate-leaf dogwood (Cornus alternifolia), and common shadbush (Amelanchier arborea) among the typical species. Other shrubs such as mountain laurel (Kalmia latifolia) ...
... (Hamamelis virginiana), lowbush blueberry (Vaccinium pallidum), spicebush (Lindera benzoin), striped maple (Acer pensylvanicum), alternate-leaf dogwood (Cornus alternifolia), and common shadbush (Amelanchier arborea) among the typical species. Other shrubs such as mountain laurel (Kalmia latifolia) ...
Physical Features Life History Food Habits and Behavior Predators
... Compiled by Teton Science Schools from the following sources: Animal: The Definitive Visual Guide to the World’s Wildlife (Burnie & Wilson, 2005); Guide to the Rocky Mountain States (National Audubon Society, 1999); A Field Guide to Mammal Tracking in North America (Halfpenny, 1986); Peterson Fiel ...
... Compiled by Teton Science Schools from the following sources: Animal: The Definitive Visual Guide to the World’s Wildlife (Burnie & Wilson, 2005); Guide to the Rocky Mountain States (National Audubon Society, 1999); A Field Guide to Mammal Tracking in North America (Halfpenny, 1986); Peterson Fiel ...
New Zealand`s genetic diversity
... cultured bacteria published by Young et al. (2012) includes only those species for which there is at least one reference strain held in a public culture collection. Although additional bacterial species have been recorded as present in New Zealand, the accuracy of earlier reports is uncertain. Envir ...
... cultured bacteria published by Young et al. (2012) includes only those species for which there is at least one reference strain held in a public culture collection. Although additional bacterial species have been recorded as present in New Zealand, the accuracy of earlier reports is uncertain. Envir ...
doc - ChinCare.com
... After a decade of studying wild chinchillas, I still have really not seen one. Their natural history makes these little mammals hard for researchers to observe. They are nocturnal, perhaps to escape some predation pressures or to avoid the heat of the hot arid days here in these cacti- covered trans ...
... After a decade of studying wild chinchillas, I still have really not seen one. Their natural history makes these little mammals hard for researchers to observe. They are nocturnal, perhaps to escape some predation pressures or to avoid the heat of the hot arid days here in these cacti- covered trans ...
Bifrenaria
Bifrenaria, abbreviated Bif. in horticultural trade, is a genus of plant in family Orchidaceae. It contains 20 species found in Panama, Trinidad and South America. There are no known uses for them, but their abundant, and at first glance artificial, flowers, make them favorites of orchid growers.The genus can be split in two clearly distinct groups: one of highly robust plants with large flowers, that encompass the first species to be classified under the genus Bifrenaria; other of more delicate plants with smaller flowers occasionally classified as Stenocoryne or Adipe. There are two additional species that are normally classified as Bifrenaria, but which molecular analysis indicate to belong to different orchid groups entirely. One is Bifrenaria grandis which is endemic to Bolívia and which is now placed in Lacaena, and Bifrenaria steyermarkii, an inhabitant of the northern Amazon Forest, which does not have an alternative classification.