Environmental impacts of myrtle rust
... virulent on naive hosts (Glen et al. 2007). Eucalyptus rust has caused severe disease in plants introduced to Central and South America (eg. plantations of nonnative guava and Australian eucalypts) and in areas invaded by the rust in the past few decades. The allspice industry in Jamaica was devasta ...
... virulent on naive hosts (Glen et al. 2007). Eucalyptus rust has caused severe disease in plants introduced to Central and South America (eg. plantations of nonnative guava and Australian eucalypts) and in areas invaded by the rust in the past few decades. The allspice industry in Jamaica was devasta ...
New perspectives on trophic guilds of arthropodivorous bats in North
... In the absence of field data that document these various proposed criteria for guild assignments, placement of many bat species into guilds has been done according to phylogenetic affinity (Denzinger and Schnitzler 2013). Features used for this are based mainly on morphological traits and echolocati ...
... In the absence of field data that document these various proposed criteria for guild assignments, placement of many bat species into guilds has been done according to phylogenetic affinity (Denzinger and Schnitzler 2013). Features used for this are based mainly on morphological traits and echolocati ...
Modeling the Impact of the African Elephant, Loxodonta africana, on
... causing most damage to woody plants, in the dry season (Barnes 1982, Glover 1963, Field and Ross 1976, Kalemera 1989, Bowland and Yeaton 1997). Browsing may also be increased as elephants take refuge in woodlands as a response to human disturbance (Lewis 1986, de Boer et al. 2000). The overall propo ...
... causing most damage to woody plants, in the dry season (Barnes 1982, Glover 1963, Field and Ross 1976, Kalemera 1989, Bowland and Yeaton 1997). Browsing may also be increased as elephants take refuge in woodlands as a response to human disturbance (Lewis 1986, de Boer et al. 2000). The overall propo ...
Ecological niche of plant pathogens
... In plant-pathogen interaction, there are genomic responses of the plant to infection (Straalen & Roelof 2006), which can be quantified. Any point inside this space is a function of all environmental variables and responses. If there are overlaps in environmental vectors (or trophic vectors) of two ...
... In plant-pathogen interaction, there are genomic responses of the plant to infection (Straalen & Roelof 2006), which can be quantified. Any point inside this space is a function of all environmental variables and responses. If there are overlaps in environmental vectors (or trophic vectors) of two ...
Morphological and genetic evaluation of the hydrocoral Millepora
... even, and the gastropore size ranges from 0.15 to 0.30 mm, while the dactylopores are small (0.06 to 0.17 mm) (de Weerdt 1984). M. complanata is also common throughout the Caribbean (de Weerdt 1984; Lewis 2006), inhabiting the surf zone and reef flats. The colonies are formed by simple plates growin ...
... even, and the gastropore size ranges from 0.15 to 0.30 mm, while the dactylopores are small (0.06 to 0.17 mm) (de Weerdt 1984). M. complanata is also common throughout the Caribbean (de Weerdt 1984; Lewis 2006), inhabiting the surf zone and reef flats. The colonies are formed by simple plates growin ...
as a PDF
... insect species (predator, parasite or herbivore) known to prey upon, parasitize or feed on the pest or weed species. Most of the pests or weeds are species that have been introduced to an area from elsewhere; most biocontrol agents are introduced from the native range of the pest/weed, where they ar ...
... insect species (predator, parasite or herbivore) known to prey upon, parasitize or feed on the pest or weed species. Most of the pests or weeds are species that have been introduced to an area from elsewhere; most biocontrol agents are introduced from the native range of the pest/weed, where they ar ...
4010 Northern Atlantic wet heaths with Erica tetralix
... waterlogged soil conditions, with succession to woodland being potentially arrested by these factors (Gimingham 1992). However, grazing, cutting and burning remain key requirements for the maintenance of wet heath within a wider heathland complex. The habitat is restricted to the oceanic and sub-oce ...
... waterlogged soil conditions, with succession to woodland being potentially arrested by these factors (Gimingham 1992). However, grazing, cutting and burning remain key requirements for the maintenance of wet heath within a wider heathland complex. The habitat is restricted to the oceanic and sub-oce ...
Species coexistence and the superior ability of an invasive species
... Surveys of habitat use and distributional overlap of crabs To quantify whether there was evidence for spillover effects adjacent to cordgrass–mussel beds, we conducted a survey in August 2007 to compare the abundance of adult crabs in low cobble habitats at sites with cordgrass-ribbed mussel beds i ...
... Surveys of habitat use and distributional overlap of crabs To quantify whether there was evidence for spillover effects adjacent to cordgrass–mussel beds, we conducted a survey in August 2007 to compare the abundance of adult crabs in low cobble habitats at sites with cordgrass-ribbed mussel beds i ...
Weakfish – Full Species Report
... Low: Abundance or biomass is <75% of BMSY or similar proxy (e.g., spawning potential ratio). Weakfish are considered to be in a “depleted state”, based on the most recent population assessment conducted in 2008 (NEFSC 2009B). Fishing mortality has remained relatively stable at moderate levels over t ...
... Low: Abundance or biomass is <75% of BMSY or similar proxy (e.g., spawning potential ratio). Weakfish are considered to be in a “depleted state”, based on the most recent population assessment conducted in 2008 (NEFSC 2009B). Fishing mortality has remained relatively stable at moderate levels over t ...
2008snail
... 1993; Coote et al. 2004). Different goals will result in different management strategies, objectives, and expectations. Regardless of the purpose, it should be stated clearly and made clear to all participants and cooperating agencies so that no misunderstandings occur. ...
... 1993; Coote et al. 2004). Different goals will result in different management strategies, objectives, and expectations. Regardless of the purpose, it should be stated clearly and made clear to all participants and cooperating agencies so that no misunderstandings occur. ...
Root–root interactions: extending our perspective
... C. This effect is a combination of both competition and facilitation (Brooker et al., 2008). Such interactions are no doubt also occurring below ground and affecting the outcome of root– root interactions. Competitive (negative) interactions between plants have been considered one of the key driving ...
... C. This effect is a combination of both competition and facilitation (Brooker et al., 2008). Such interactions are no doubt also occurring below ground and affecting the outcome of root– root interactions. Competitive (negative) interactions between plants have been considered one of the key driving ...
Download PDF (3.8 MB)
... aspirin were once natural remedies. Countless other natural medicines still The Hermit Thrush,Vermont’s state bird, has a beautiful song. used by traditional cultures never make it into our drugstores, but they have great value in promoting health and curing disease. Someday, we may want to know mor ...
... aspirin were once natural remedies. Countless other natural medicines still The Hermit Thrush,Vermont’s state bird, has a beautiful song. used by traditional cultures never make it into our drugstores, but they have great value in promoting health and curing disease. Someday, we may want to know mor ...
Risk Assessment
... The following general biological information on the snakehead family comes from the biological synopsis compiled by Courtney and Williams (2004). The body of snakeheads is torpedo-shaped, which tapers towards the tail. They have a single, long dorsal fin, a long anal fin, and a small head with a lar ...
... The following general biological information on the snakehead family comes from the biological synopsis compiled by Courtney and Williams (2004). The body of snakeheads is torpedo-shaped, which tapers towards the tail. They have a single, long dorsal fin, a long anal fin, and a small head with a lar ...
secondary succession
... circumstances in which a small number of species tends to replace each other over time • A classic example involves heather (Calluna) and the bracken fern (Pteridium). Calluna can invade stands of Pteridium under some situations. However, as the Calluna plants age and senesce, they can be replaced b ...
... circumstances in which a small number of species tends to replace each other over time • A classic example involves heather (Calluna) and the bracken fern (Pteridium). Calluna can invade stands of Pteridium under some situations. However, as the Calluna plants age and senesce, they can be replaced b ...
Long-footed potoroo - recovery plan (PDF
... Long-footed Potoroo consumes a large quantity and diversity of hypogeous (underground-fruiting) fungal fruitbodies throughout the year. The species has an extremely limited range in New South Wales. It is apparently restricted to damp and wet sclerophyll forest communities within South East Forests ...
... Long-footed Potoroo consumes a large quantity and diversity of hypogeous (underground-fruiting) fungal fruitbodies throughout the year. The species has an extremely limited range in New South Wales. It is apparently restricted to damp and wet sclerophyll forest communities within South East Forests ...
Recovery Plan for Southern Brown Bandicoot
... Bandicoots, like many of the small to medium-sized marsupials of Australia, have undergone several species extinctions and significant contractions in distribution since European settlement. Of the estimated 12 species of bandicoot present on the continent at that time, approximately half are now ei ...
... Bandicoots, like many of the small to medium-sized marsupials of Australia, have undergone several species extinctions and significant contractions in distribution since European settlement. Of the estimated 12 species of bandicoot present on the continent at that time, approximately half are now ei ...
The fate of Amazonian forest fragments: A 32-year
... was that pre-fragmentation censuses were conducted for many animal and plant groups (e.g. trees, understory birds, small mammals, primates, frogs, many invertebrate taxa), thereby allowing long-term changes in these groups to be assessed far more confidently than in most other fragmentation studies. ...
... was that pre-fragmentation censuses were conducted for many animal and plant groups (e.g. trees, understory birds, small mammals, primates, frogs, many invertebrate taxa), thereby allowing long-term changes in these groups to be assessed far more confidently than in most other fragmentation studies. ...
The Stability and Persistence of Mutualisms Embedded in
... Although the local stability of an equilibrium is important, a crucial aspect of the assemblage is the persistence of all its populations. Persistence will differ from local stability in that it captures slowly dying transients, stable cycles and otherwise bounded behavior, while losing some stable ...
... Although the local stability of an equilibrium is important, a crucial aspect of the assemblage is the persistence of all its populations. Persistence will differ from local stability in that it captures slowly dying transients, stable cycles and otherwise bounded behavior, while losing some stable ...
Mammals of the Mixedwood Plains Ecozone
... Order Lagomorpha: Family Leporidae - rabbits and hares These lagomorphs are more widely recognized than most small to medium-sized mammals because they are larger in size and often active during the day. They are very important ecologically as abundant consumers of ground vegetation. Lagomorphs are ...
... Order Lagomorpha: Family Leporidae - rabbits and hares These lagomorphs are more widely recognized than most small to medium-sized mammals because they are larger in size and often active during the day. They are very important ecologically as abundant consumers of ground vegetation. Lagomorphs are ...
Interspecific Interactions in Phytophagous Insects: Competition
... bivorous insects consisted mainly of observational studies of resource parti tioning (e.g. 108, 143, 147, 179, 184). The rationale for such studies stemmed from classical competition theory, which predicted that two species could not occupy the same niche and coexist, and that coexistence could be ...
... bivorous insects consisted mainly of observational studies of resource parti tioning (e.g. 108, 143, 147, 179, 184). The rationale for such studies stemmed from classical competition theory, which predicted that two species could not occupy the same niche and coexist, and that coexistence could be ...
safe harbor agreements under the endangered
... The environmental goals of the Safe Harbor program mesh well with those of the ESA. The ESA seeks to bring endangered species to the point where they no longer need protection and can be delisted.89 Reflecting this policy, Safe Harbor Agreements aim for “the conservation and recovery of species.”90 ...
... The environmental goals of the Safe Harbor program mesh well with those of the ESA. The ESA seeks to bring endangered species to the point where they no longer need protection and can be delisted.89 Reflecting this policy, Safe Harbor Agreements aim for “the conservation and recovery of species.”90 ...
This Issue - University of Hawaii System
... In addition to the incidental take permit program, the federal government has developed the “Safe Harbor” program.15 First developed in 1995, Safe Harbors are agreements between the government and private property owners in which the landowners voluntarily engage in activities beneficial to endanger ...
... In addition to the incidental take permit program, the federal government has developed the “Safe Harbor” program.15 First developed in 1995, Safe Harbors are agreements between the government and private property owners in which the landowners voluntarily engage in activities beneficial to endanger ...
Understanding Rangeland Biodiversity
... excluded and marginalised, pastoralists and hunter-gatherers. However, rangelands present a paradox for the conservation ethic, however; most are definitely not ‘natural’ and very often prove to be recent formations. The great majority of the world’s rangelands are largely anthropic creations and th ...
... excluded and marginalised, pastoralists and hunter-gatherers. However, rangelands present a paradox for the conservation ethic, however; most are definitely not ‘natural’ and very often prove to be recent formations. The great majority of the world’s rangelands are largely anthropic creations and th ...
diversity, ecosystem function, and stability of parasitoid
... variable host and parasitoid diversity. These effects of diversity on parasitism and temporal stability in parasitism rates were sufficiently strong to be visible across five different habitat types, representing a gradient of increasing anthropogenic modification. Habitat type did not directly affect ...
... variable host and parasitoid diversity. These effects of diversity on parasitism and temporal stability in parasitism rates were sufficiently strong to be visible across five different habitat types, representing a gradient of increasing anthropogenic modification. Habitat type did not directly affect ...
Significant Wildlife Habitat Criteria Schedules For Ecoregion 3E
... Seasonal Concentration Areas are areas where wildlife species occur annually in numbers at certain times of the year, sometimes highly concentrated within relatively small areas. In spring and autumn, migratory wildlife species will concentrate where they can rest and feed. Other wildlife species re ...
... Seasonal Concentration Areas are areas where wildlife species occur annually in numbers at certain times of the year, sometimes highly concentrated within relatively small areas. In spring and autumn, migratory wildlife species will concentrate where they can rest and feed. Other wildlife species re ...
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.