Regional recovery plan for threatened species and ecological
... Many species have become extinct in the AMLR region, and a range of threatened species that may still be extant are considered ‘functionally extinct’. The species and subspecies included in this plan are considered threatened and are currently declining or have already declined to critical levels, w ...
... Many species have become extinct in the AMLR region, and a range of threatened species that may still be extant are considered ‘functionally extinct’. The species and subspecies included in this plan are considered threatened and are currently declining or have already declined to critical levels, w ...
American Mink (Mustela vison) and its impact on native species in
... Table 2: Average number, standard error (SE), minimum and maximum birds per 500m sector (n = number of sectors, excluding those sectors with either no pairs or missing values). Statistics are also shown for nesting success parameters (averaged per 500m sector). Results of univariate tests or compari ...
... Table 2: Average number, standard error (SE), minimum and maximum birds per 500m sector (n = number of sectors, excluding those sectors with either no pairs or missing values). Statistics are also shown for nesting success parameters (averaged per 500m sector). Results of univariate tests or compari ...
Desiccation of Rock Pool Habitats and Its Influence on Population
... surface, presence of vegetation, ambient daily mean temperature, wind and evaporation measured at a standard weather station (test statistics in Table 1). There was also a significant seasonal influence, which explained a large proportion of the variance in the model. Thus, the influence of the envi ...
... surface, presence of vegetation, ambient daily mean temperature, wind and evaporation measured at a standard weather station (test statistics in Table 1). There was also a significant seasonal influence, which explained a large proportion of the variance in the model. Thus, the influence of the envi ...
United States Department of the Interior
... Longfin smelt are dispersed broadly in the Bay-Delta by high flows and currents, which facilitate transport of larvae and juveniles long distances. Longfin smelt larvae are dispersed farther downstream during high freshwater flows (Dege and Brown 2004, p. 59). They spend approximately 21 months of t ...
... Longfin smelt are dispersed broadly in the Bay-Delta by high flows and currents, which facilitate transport of larvae and juveniles long distances. Longfin smelt larvae are dispersed farther downstream during high freshwater flows (Dege and Brown 2004, p. 59). They spend approximately 21 months of t ...
recovery potential assessment for atlantic whitefish
... Second, increasing the number of populations being used to maintain local variations decreases the risk of extirpation as a result of catastrophic events. Replication of habitat conditions described under the first point is desirable. Third, other things being equal, larger populations have lower ex ...
... Second, increasing the number of populations being used to maintain local variations decreases the risk of extirpation as a result of catastrophic events. Replication of habitat conditions described under the first point is desirable. Third, other things being equal, larger populations have lower ex ...
species introduction and replacement among mosquitoes
... 1995, Hornby et al. 1994) and other parts of North America (Hobbs et al. 1991, Mekuria and Hyatt 1995). Often, A. albopictus appears to displace A. aegypti in suburban and rural areas, whereas in urban environments of South Florida, though A. albopictus invades, A. aegypti does not decline and may r ...
... 1995, Hornby et al. 1994) and other parts of North America (Hobbs et al. 1991, Mekuria and Hyatt 1995). Often, A. albopictus appears to displace A. aegypti in suburban and rural areas, whereas in urban environments of South Florida, though A. albopictus invades, A. aegypti does not decline and may r ...
10.0 eelgrass - Humboldt Bay Harbor District
... Eelgrass occurs in extensive stands throughout much of Arcata Bay, and in virtually all of the parts of South Bay that occur at suitable elevations. The eelgrass meadows in Arcata Bay are typically less dense than those in South Bay. Historical studies in Humboldt Bay have demonstrated that both the ...
... Eelgrass occurs in extensive stands throughout much of Arcata Bay, and in virtually all of the parts of South Bay that occur at suitable elevations. The eelgrass meadows in Arcata Bay are typically less dense than those in South Bay. Historical studies in Humboldt Bay have demonstrated that both the ...
Ben-Gurion University of the Negev
... Israel, three have expanded their range into the desert from Mediterranean habitats, probably due to anthropogenic developments such as the addition of bodies of open water and lights. The abundance and activity of bats in the desert is affected by the distribution of bodies of open water, which are ...
... Israel, three have expanded their range into the desert from Mediterranean habitats, probably due to anthropogenic developments such as the addition of bodies of open water and lights. The abundance and activity of bats in the desert is affected by the distribution of bodies of open water, which are ...
Widespread mesopredator effects after wolf extirpation Biological
... body sizes of a factor between 2 and 5 (Donadio and Buskirk, 2006). This ratio of body sizes predisposes wolves and coyotes to a high likelihood of interference competition, including interspecific killing (Donadio and Buskirk, 2006), with the coyote being the consistent loser in these interactions. ...
... body sizes of a factor between 2 and 5 (Donadio and Buskirk, 2006). This ratio of body sizes predisposes wolves and coyotes to a high likelihood of interference competition, including interspecific killing (Donadio and Buskirk, 2006), with the coyote being the consistent loser in these interactions. ...
Habitat Selection and Indirect Interactions in Fish Communities
... 1.4 Metabolism is affected by abiotic factors Metabolism is a principal force in ecology, linking e.g. temperature to the ecology of populations and whole communities (Brown et al., 2004). As an example of different metabolic adaptions to different temperatures, salmonid fish have a higher active me ...
... 1.4 Metabolism is affected by abiotic factors Metabolism is a principal force in ecology, linking e.g. temperature to the ecology of populations and whole communities (Brown et al., 2004). As an example of different metabolic adaptions to different temperatures, salmonid fish have a higher active me ...
aquatic and terrestrial habitat selection by - ETH E
... Both species largely preferred the same habitat types. The same habitat types, however, were used differently in relation to resources across the three spatial scales, supporting hypothesis 4. Niche differentiation through differential resource selection within shared habitat types across spatial sc ...
... Both species largely preferred the same habitat types. The same habitat types, however, were used differently in relation to resources across the three spatial scales, supporting hypothesis 4. Niche differentiation through differential resource selection within shared habitat types across spatial sc ...
This Issue - University of Hawaii System
... The power of section 7 was illustrated in the famous Supreme Court case Tennessee Valley Authority v. Hill.28 The case involved a small, endangered fish, the snail darter, whose habitat was jeopardized by the impending completion of a 100 million dollar dam.29 In ordering construction of the dam sto ...
... The power of section 7 was illustrated in the famous Supreme Court case Tennessee Valley Authority v. Hill.28 The case involved a small, endangered fish, the snail darter, whose habitat was jeopardized by the impending completion of a 100 million dollar dam.29 In ordering construction of the dam sto ...
safe harbor agreements under the endangered
... The power of section 7 was illustrated in the famous Supreme Court case Tennessee Valley Authority v. Hill.28 The case involved a small, endangered fish, the snail darter, whose habitat was jeopardized by the impending completion of a 100 million dollar dam.29 In ordering construction of the dam sto ...
... The power of section 7 was illustrated in the famous Supreme Court case Tennessee Valley Authority v. Hill.28 The case involved a small, endangered fish, the snail darter, whose habitat was jeopardized by the impending completion of a 100 million dollar dam.29 In ordering construction of the dam sto ...
Monitoring Marine Invasive Species in Mediterranean Marine
... Marine invasions in general have been under-studied and most countries have little IAS information available and limited or no formal programmes to collect information in MPAs (see Annexes 1 and 2). Furthermore, information is in many cases generated by research projects with short-term funding and ...
... Marine invasions in general have been under-studied and most countries have little IAS information available and limited or no formal programmes to collect information in MPAs (see Annexes 1 and 2). Furthermore, information is in many cases generated by research projects with short-term funding and ...
The Network Structure of Food Webs
... excluding intraspecific interactions, and thus is sometimes referred to as interactive connectance. However, if cycles do occur in food webs, C = L/[S(S − 1)/2] exaggerates connectance, since cycling links are counted in the numerator but are excluded from the denominator. This can be avoided by calc ...
... excluding intraspecific interactions, and thus is sometimes referred to as interactive connectance. However, if cycles do occur in food webs, C = L/[S(S − 1)/2] exaggerates connectance, since cycling links are counted in the numerator but are excluded from the denominator. This can be avoided by calc ...
Mortality rates of juvenile starfish Acanthaster planci and
... No attempt was made to re move plants or ep ifa un a fro m the rubbl e in the T REATME T and ESCAPE CONTROL boxes. For CONTR OL boxes, rubble was taken ashore and visua ll y in spected for any ep ifa una, whi c h was re moved before be ing return ed to boxes. T hirty Nardoa sp. were placed in each o ...
... No attempt was made to re move plants or ep ifa un a fro m the rubbl e in the T REATME T and ESCAPE CONTROL boxes. For CONTR OL boxes, rubble was taken ashore and visua ll y in spected for any ep ifa una, whi c h was re moved before be ing return ed to boxes. T hirty Nardoa sp. were placed in each o ...
Poster Presentations (, ~1 MB in size)
... Assessment of swimming records for thunniform propulsors Many marine vertebrates need to swim at high speeds to migrate, capture food, and escape predation. The thunniform mode is associated with high-speed swimming. Pelagic marine predators (e.g., tuna, swordfish, dolphins) swim in the thunniform m ...
... Assessment of swimming records for thunniform propulsors Many marine vertebrates need to swim at high speeds to migrate, capture food, and escape predation. The thunniform mode is associated with high-speed swimming. Pelagic marine predators (e.g., tuna, swordfish, dolphins) swim in the thunniform m ...
Box-Ironbark Experimental Mosaic Burning Project
... post-fire surveys (2012 and 2013) than in the pre-fire survey (2010), but there was no evidence that this was clearly related to burning. This increase between years likely reflects plant germination and growth stimulated by drought-breaking rains experienced in 2010/11. The extent of burn was an im ...
... post-fire surveys (2012 and 2013) than in the pre-fire survey (2010), but there was no evidence that this was clearly related to burning. This increase between years likely reflects plant germination and growth stimulated by drought-breaking rains experienced in 2010/11. The extent of burn was an im ...
Freshwater Mussels Pacific Northwest
... Gonidea are very small). The species in the genus Anodonta have no teeth at all; the Latin word anodonta means “without teeth”. The living mussel occupies the cavity between the two valves. The only body parts that are visible outside of the shell are the foot that is used for locomotion and feeding ...
... Gonidea are very small). The species in the genus Anodonta have no teeth at all; the Latin word anodonta means “without teeth”. The living mussel occupies the cavity between the two valves. The only body parts that are visible outside of the shell are the foot that is used for locomotion and feeding ...
Weed Ecology in Natural and Agricultural Systems
... a specific level and someone must be concerned. This refines the definition somewhat because it suggests that a plant is only a weed if it is present above a specific abundance; however, it introduced the problem of determining what that threshold level is. This definition recognizes that a weed is ...
... a specific level and someone must be concerned. This refines the definition somewhat because it suggests that a plant is only a weed if it is present above a specific abundance; however, it introduced the problem of determining what that threshold level is. This definition recognizes that a weed is ...
Population-Level Metrics of Trophic Structure Based on
... is calculated as the mean Euclidean distance of each individual of a population to the d15N-d13C centroid for that population. The population metrics nitrogen range (NRb) and carbon range (CRb) correspond to the distance between the two individuals with the highest and lowest d13C and d15N values wi ...
... is calculated as the mean Euclidean distance of each individual of a population to the d15N-d13C centroid for that population. The population metrics nitrogen range (NRb) and carbon range (CRb) correspond to the distance between the two individuals with the highest and lowest d13C and d15N values wi ...
Biodiversity Plan Tiritiri Matangi
... intervention, the Island’s vegetation would regenerate onl ver slowl , conceived a plan to plant ost o the Island with native trees during the 1980s and ‘90s. Out o this group ca e the Supporters of Tiritiri Matangi (Inc.) ( oTM), or ed in 1988 to support the Island’s restoration. oTM has since beco ...
... intervention, the Island’s vegetation would regenerate onl ver slowl , conceived a plan to plant ost o the Island with native trees during the 1980s and ‘90s. Out o this group ca e the Supporters of Tiritiri Matangi (Inc.) ( oTM), or ed in 1988 to support the Island’s restoration. oTM has since beco ...
Herbivores, resources and risks: alternating regulation along
... on effects of predation expressed at alternate trophic levels [10]. In the classic example, ...
... on effects of predation expressed at alternate trophic levels [10]. In the classic example, ...
The role of highly mobile crab predators in the intertidal zonation of
... demography of populations is highly dependent on local ecological processes such as predation intensity (Behrens Yamada, 1977a, 1989). We hypothesize that the risk of predation from crabs is higher below the lower limit of L. sitkanu than it is above this limit. We test this hypothesis by documentin ...
... demography of populations is highly dependent on local ecological processes such as predation intensity (Behrens Yamada, 1977a, 1989). We hypothesize that the risk of predation from crabs is higher below the lower limit of L. sitkanu than it is above this limit. We test this hypothesis by documentin ...