Recovering a keystone species in a biodiversity hotspot - Helvia
... considered as an effective tool with which to promote wild rabbit populations on a large-scale, since rabbit abundance increased significantly after release, and some areas managed attained the threshold value needed to support stable lynx presence in Sierra Morena. However, rabbit abundance was str ...
... considered as an effective tool with which to promote wild rabbit populations on a large-scale, since rabbit abundance increased significantly after release, and some areas managed attained the threshold value needed to support stable lynx presence in Sierra Morena. However, rabbit abundance was str ...
Conservation Biology for All - Society for Conservation Biology
... All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, without the prior permission in writing of Oxford University Press, or as expressly permitted by law, or under terms agreed with the appropriate reprographic ...
... All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, without the prior permission in writing of Oxford University Press, or as expressly permitted by law, or under terms agreed with the appropriate reprographic ...
petitioned - American Public Power Association
... Bats are of great ecological and economic importance. Insectivorous bats, such as the tricolored bat, provide significant natural insect control, quantifiably benefiting both agriculture and public health. An individual bat may consume 500-1000 insects in an hour, and may consume up to 100 percent o ...
... Bats are of great ecological and economic importance. Insectivorous bats, such as the tricolored bat, provide significant natural insect control, quantifiably benefiting both agriculture and public health. An individual bat may consume 500-1000 insects in an hour, and may consume up to 100 percent o ...
Methods for Sod-Seeding of Small
... crops are planted on less productive land than are small grain and cash crops. Poor management practices such as poor fertility and weed control, ineffective irrigation and poor harvest management also contribute to low yields. Where productive species are present, improved management practices can ...
... crops are planted on less productive land than are small grain and cash crops. Poor management practices such as poor fertility and weed control, ineffective irrigation and poor harvest management also contribute to low yields. Where productive species are present, improved management practices can ...
DRAFT - CAFF Monitoring Series Report
... 3.5.2 Linkage to system drivers.......................................................................................................................37 3.5.3 The CBMP TEMG Conceptual Model......................................................................................................38 3. ...
... 3.5.2 Linkage to system drivers.......................................................................................................................37 3.5.3 The CBMP TEMG Conceptual Model......................................................................................................38 3. ...
Offense versus defense: responses of three morphological types of
... Lobsters. Slipper lobsters were purchased from local fisherman in Haifa, Israel. Spiny and clawed lobsters were purchased from suppliers in Colchester, England, and Galway, Ireland, and shipped to us in coolers by airfreight. On arrival, they were gradually acclimated to local water conditions. The ...
... Lobsters. Slipper lobsters were purchased from local fisherman in Haifa, Israel. Spiny and clawed lobsters were purchased from suppliers in Colchester, England, and Galway, Ireland, and shipped to us in coolers by airfreight. On arrival, they were gradually acclimated to local water conditions. The ...
Management Plan for the Pacific Harbour Porpoise (Phocoena
... throughout British Columbian waters, but certain areas appear to be seasonally favoured. More dense aggregations and increased seasonal densities have been reported from the southern Strait of Georgia and in Juan de Fuca Strait, near Victoria. Little information is available on the abundance and pop ...
... throughout British Columbian waters, but certain areas appear to be seasonally favoured. More dense aggregations and increased seasonal densities have been reported from the southern Strait of Georgia and in Juan de Fuca Strait, near Victoria. Little information is available on the abundance and pop ...
View or print this publication - Jim Cronin
... A. columbi colonists. I found that the number of immigrants significantly increased with patch size and decreased with patch isolation. Patch size had no influence on the per capita hosts parasitized per leaf, but there was a significant twofold increase in per capita attacks from the least to the m ...
... A. columbi colonists. I found that the number of immigrants significantly increased with patch size and decreased with patch isolation. Patch size had no influence on the per capita hosts parasitized per leaf, but there was a significant twofold increase in per capita attacks from the least to the m ...
The Factors Affecting the Use of Fauna
... A second measure of use was also determined by calculating the proportion of the known population that used the underpass over the entire period of the study. This was calculated as the number of individual quenda or bobtail lizards known to have used the underpass divided by the total number of ind ...
... A second measure of use was also determined by calculating the proportion of the known population that used the underpass over the entire period of the study. This was calculated as the number of individual quenda or bobtail lizards known to have used the underpass divided by the total number of ind ...
POPULATION CRITICAL: How are Caribou Faring?
... plans and the political will to implement them where they exist. There are several with gaps that need to be remedied including jurisdictions that do not have stand-alone species at risk legislation: British Columbia, Alberta and Saskatchewan. • LACK OF CUMULATIVE EFFECTS ASSESSMENT AND INCORPORATI ...
... plans and the political will to implement them where they exist. There are several with gaps that need to be remedied including jurisdictions that do not have stand-alone species at risk legislation: British Columbia, Alberta and Saskatchewan. • LACK OF CUMULATIVE EFFECTS ASSESSMENT AND INCORPORATI ...
6.4 Environmental Niche Analysis - Predicting potential occurrence
... and Taper 2000, Soberon 2007). We assume that a species will be present at a given point where three conditions are met: a) abiotic conditions (such as climate) are favourable, b) biotic conditions (other species) allow species to maintain populations, and c) the region is accessible to dispersal fr ...
... and Taper 2000, Soberon 2007). We assume that a species will be present at a given point where three conditions are met: a) abiotic conditions (such as climate) are favourable, b) biotic conditions (other species) allow species to maintain populations, and c) the region is accessible to dispersal fr ...
Crayfish Identification, Distribution and Legislation
... Below are further publications on crayfish distributions in the UK from the last five years. Holdich D.M. & Sibley P.J. (2009) ICS and NICS in Britain in the 2000s; Brickland J, Holdich D.M. and Imhoff E.M. (eds). Crayfish conservation in the British Isles. Proceedings of a conference held on 25 th ...
... Below are further publications on crayfish distributions in the UK from the last five years. Holdich D.M. & Sibley P.J. (2009) ICS and NICS in Britain in the 2000s; Brickland J, Holdich D.M. and Imhoff E.M. (eds). Crayfish conservation in the British Isles. Proceedings of a conference held on 25 th ...
Ontogenetic Shifts and Symbiont Succession in a
... interactions may change, with some ant species having a positive effect on the host while others have no discernable effect or even a negative effect (Palmer et al. 2010). Additionally, corals may exhibit specificity for different species of obligate algal symbionts during particular life stages (Ab ...
... interactions may change, with some ant species having a positive effect on the host while others have no discernable effect or even a negative effect (Palmer et al. 2010). Additionally, corals may exhibit specificity for different species of obligate algal symbionts during particular life stages (Ab ...
- The Lincoln Repository
... 3. Predation and parasitism each reduced the abundance of the intermediate consumer (Paramecium), and parasitism indirectly reduced the abundance of the basal resource (Serratia). However, in combination, predation and parasitism had non-additive effects on the abundance of the intermediate consumer ...
... 3. Predation and parasitism each reduced the abundance of the intermediate consumer (Paramecium), and parasitism indirectly reduced the abundance of the basal resource (Serratia). However, in combination, predation and parasitism had non-additive effects on the abundance of the intermediate consumer ...
Seasonal and Interannual Variability of Pelagic Zooplankton
... stages of M. bosumtwii constituted 68 % on average of monthly total zooplankton abundance and together with H. intermedia contributed over 80 % of annual total community abundance. There was a weak and insignificant statistical correlation between chlorophyll a concentration and total herbivore abun ...
... stages of M. bosumtwii constituted 68 % on average of monthly total zooplankton abundance and together with H. intermedia contributed over 80 % of annual total community abundance. There was a weak and insignificant statistical correlation between chlorophyll a concentration and total herbivore abun ...
Final report on Effects of environment on
... Since this project report is limited to a total length of 20 pages, and over 20 full published papers have resulted from the project, we have reported a selection of our results. The results of the research programmes are reported under general titles, as most research programmes were intended to pr ...
... Since this project report is limited to a total length of 20 pages, and over 20 full published papers have resulted from the project, we have reported a selection of our results. The results of the research programmes are reported under general titles, as most research programmes were intended to pr ...
Negative effects of an autogenic ecosystem engineer: interactions
... conducted at San Antonio Bay (Argentina: 40° 45’ S, 65° 55’ W) from September 2003 to March 2004. This is an 80 km2 embayment affected by up to 9 m semidiurnal tides. The intertidal zone is characterized by sandy pebble flats at lower tidal elevations (i.e. 0 to 4 m above the mean low tide level [he ...
... conducted at San Antonio Bay (Argentina: 40° 45’ S, 65° 55’ W) from September 2003 to March 2004. This is an 80 km2 embayment affected by up to 9 m semidiurnal tides. The intertidal zone is characterized by sandy pebble flats at lower tidal elevations (i.e. 0 to 4 m above the mean low tide level [he ...
Using an ecological framework to resolve issues in forensic
... specifically colonize carrion. Adult flies must make oviposition decisions that impact the survival of their offspring and may be influenced by abiotic and biotic conditions. Although a great deal of research has been conducted regarding their development under different environmental conditions, th ...
... specifically colonize carrion. Adult flies must make oviposition decisions that impact the survival of their offspring and may be influenced by abiotic and biotic conditions. Although a great deal of research has been conducted regarding their development under different environmental conditions, th ...
DISTRIBUTION AND ECOLOGY OF LOWLAND PINE MARTEN
... that the pine marten has colonised the overall study area north of the River Po, which probably is acting as a barrier. Pine marten distribution suggests that expansion has mainly followed a northto-south direction, following the course of major rivers as natural corridors of expansion. The unexpect ...
... that the pine marten has colonised the overall study area north of the River Po, which probably is acting as a barrier. Pine marten distribution suggests that expansion has mainly followed a northto-south direction, following the course of major rivers as natural corridors of expansion. The unexpect ...
Cumbria Species and Habitats Statements
... to be scarce within the Lake District. The majority of breeding sites are below 200m but they can breed up to 300m. In the early 1980s the Cumbria population of was estimated to be 120 pairs (5000 nationally), a decline of 84% in the county since the 1930s). This has since recovered to 300-350 pairs ...
... to be scarce within the Lake District. The majority of breeding sites are below 200m but they can breed up to 300m. In the early 1980s the Cumbria population of was estimated to be 120 pairs (5000 nationally), a decline of 84% in the county since the 1930s). This has since recovered to 300-350 pairs ...
Potential impact of the Argentine ant (Linepithema humile) in New
... transportation of ant colonies is the main mechanism of dispersal to new areas. L. humile was first found in Auckland in 1990. It is now widespread within Auckland, but still patchily distributed, and has established at a number of other sites around New Zealand from Northland to Canterbury. Althoug ...
... transportation of ant colonies is the main mechanism of dispersal to new areas. L. humile was first found in Auckland in 1990. It is now widespread within Auckland, but still patchily distributed, and has established at a number of other sites around New Zealand from Northland to Canterbury. Althoug ...
Does multiple seed loading in Blue Jays result in selective dispersal
... several smaller acorns and, therefore, a heavier load during a single dispersal event. We further suggest that if and when jays can carry heavier loads of several small seeds, they should disperse these loads farther to more preferred sites than they would a single acorn much the way rodents dispers ...
... several smaller acorns and, therefore, a heavier load during a single dispersal event. We further suggest that if and when jays can carry heavier loads of several small seeds, they should disperse these loads farther to more preferred sites than they would a single acorn much the way rodents dispers ...
The Ecological Role of a
... and not feeding .................................................................................... 29 Figure 2.19: Mean size of Patiriella spp. .................................................... 29 Figure 2.20: Distribution of Patiriella spp. sizes ......................................... 30 Fi ...
... and not feeding .................................................................................... 29 Figure 2.19: Mean size of Patiriella spp. .................................................... 29 Figure 2.20: Distribution of Patiriella spp. sizes ......................................... 30 Fi ...
The Ecology of Forest Elephant Distribution and its implications for
... Genetic evidence suggests that extant African elephants, currently recognised as two sub-species in the genus Loxodonta, should be divided into distinct species; savannah elephants (L. africana) and forest elephants (L. cyclotis). Forest elephants are most abundant in the equatorial forest of the Co ...
... Genetic evidence suggests that extant African elephants, currently recognised as two sub-species in the genus Loxodonta, should be divided into distinct species; savannah elephants (L. africana) and forest elephants (L. cyclotis). Forest elephants are most abundant in the equatorial forest of the Co ...
The scent of your enemy is my friend? The acquisition of large
... a significant peak in the display of this behavior in late winter to spring to coincide with the peak of the breeding season. Alternatively, gray foxes may rub puma scent onto themselves in order to dissuade predation by larger predators, including coyotes (Canis latrans) and bobcats (Lynx rufus). S ...
... a significant peak in the display of this behavior in late winter to spring to coincide with the peak of the breeding season. Alternatively, gray foxes may rub puma scent onto themselves in order to dissuade predation by larger predators, including coyotes (Canis latrans) and bobcats (Lynx rufus). S ...