ZOOPLANKTON STRUCTURE AND DYNAMICS IN MEDITERRANEAN MARSHES (EMPORDÀ WETLANDS): A SIZE-BASED APPROACH
... 5. Temporal and spatial variability of zooplankton size structure ...................... 45 5.1. Introduction...................................................................................................... 5.2. Results............................................................................ ...
... 5. Temporal and spatial variability of zooplankton size structure ...................... 45 5.1. Introduction...................................................................................................... 5.2. Results............................................................................ ...
Intraspecific adoption and foster feeding of fledglings in the North
... and new siblings. The age of the adopted chicks and their siblings when they were measured (median 9 days), did not differ significantly from the age at measurement of other chicks in the population (median 11 days) to which they were compared (Mann-Whitney U, Z = 1.64, n1 = 7, n2 = 106, P = 0.102). ...
... and new siblings. The age of the adopted chicks and their siblings when they were measured (median 9 days), did not differ significantly from the age at measurement of other chicks in the population (median 11 days) to which they were compared (Mann-Whitney U, Z = 1.64, n1 = 7, n2 = 106, P = 0.102). ...
Making Room for Wolf Recovery - Center for Biological Diversity
... Mountains in Washington, Oregon and California, the Sierra Nevada and the Adirondacks are all places that could support wolf populations. According to the studies, these areas are capable of supporting a minimum of 5,000 wolves, which would nearly double the existing wolf population. Recovering wolv ...
... Mountains in Washington, Oregon and California, the Sierra Nevada and the Adirondacks are all places that could support wolf populations. According to the studies, these areas are capable of supporting a minimum of 5,000 wolves, which would nearly double the existing wolf population. Recovering wolv ...
Lethal interactions among vertebrate top predators
... conservation issues. Research focusing on lethal interactions among vertebrate top predators has used several terms with a broad sense, and also introduced new terminology. We analysed the published literature with reference to the main underlying concepts and the use of terminology and its ecologic ...
... conservation issues. Research focusing on lethal interactions among vertebrate top predators has used several terms with a broad sense, and also introduced new terminology. We analysed the published literature with reference to the main underlying concepts and the use of terminology and its ecologic ...
Nucleotide sequence and structural organization of
... Leuconostoc lactis 533 is the type strain of this species (Garvie, 1986) and contains two plasmids of 12.5 kb and 2.9 kb, the latter designated pCI411. Total plasmid DNA was isolated from this strain and co-transformed with the 12-4 kb erythromycin resistance plasmid pCI214 (Caplice e t d., 1987) in ...
... Leuconostoc lactis 533 is the type strain of this species (Garvie, 1986) and contains two plasmids of 12.5 kb and 2.9 kb, the latter designated pCI411. Total plasmid DNA was isolated from this strain and co-transformed with the 12-4 kb erythromycin resistance plasmid pCI214 (Caplice e t d., 1987) in ...
Improving broad scale forage mapping and habitat selection
... Abstract. Determining the spatial distribution of large herbivores is a key challenge in ecology and management. However, our ability to accurately predict this is often hampered by inadequate data on available forage and structural cover. Airborne laser scanning (ALS) can give direct and detailed m ...
... Abstract. Determining the spatial distribution of large herbivores is a key challenge in ecology and management. However, our ability to accurately predict this is often hampered by inadequate data on available forage and structural cover. Airborne laser scanning (ALS) can give direct and detailed m ...
Report to SAZ - Durham University Community
... Overall, densities of ungulates tend to be highest in coastal areas and lowest in the spruce-fir, montane forests. Red deer were the most abundant species (1.5 to 3.0 km-2 throughout SAZ), followed by roe deer (1 to 2.5 km-2). At present, sika deer occur only in the oak-dominated forests on the coas ...
... Overall, densities of ungulates tend to be highest in coastal areas and lowest in the spruce-fir, montane forests. Red deer were the most abundant species (1.5 to 3.0 km-2 throughout SAZ), followed by roe deer (1 to 2.5 km-2). At present, sika deer occur only in the oak-dominated forests on the coas ...
REC-ERC-77-11 OBSERVATIONS ON THE STATUS OF THE
... population. Morphometric measurements showed an overall increase in body size of C. diabolisin the refugium (table 1). Standard length increased from a mean of 19 mm in Devil's Hole to a mean of 25.2 mm in the refugium. A maximum length of 31.5 mm was observed for a refugium female (larger fish were ...
... population. Morphometric measurements showed an overall increase in body size of C. diabolisin the refugium (table 1). Standard length increased from a mean of 19 mm in Devil's Hole to a mean of 25.2 mm in the refugium. A maximum length of 31.5 mm was observed for a refugium female (larger fish were ...
Save the MANTA RAYS :: X-Ray Magazine :: Issue 18
... Little is known about the world consumption of mantas due to inaccurate or non-existent reporting. Manta ray catches are generally grouped with other rays in by-catch reports making them of little conservation value. CITES (the Convention on International Trade in Endangered Species of Wild Fauna an ...
... Little is known about the world consumption of mantas due to inaccurate or non-existent reporting. Manta ray catches are generally grouped with other rays in by-catch reports making them of little conservation value. CITES (the Convention on International Trade in Endangered Species of Wild Fauna an ...
Bottom-Up and Top-Down Interactions across Aquatic
... and other influences on the base of the food web have only more recently been a focus of exploration (Menge, 2000). The marine invertebrates and macroalgae that dominate this ecosystem have adapted to living on hard substrates that are periodically exposed to air during low tides, while surfgrasses ( ...
... and other influences on the base of the food web have only more recently been a focus of exploration (Menge, 2000). The marine invertebrates and macroalgae that dominate this ecosystem have adapted to living on hard substrates that are periodically exposed to air during low tides, while surfgrasses ( ...
Great Barrier Reef Outlook Report 2014—In Brief
... An assessment of heritage values was introduced into this report for the first time. It shows that many are inextricably linked to the health of the ecosystem and none more so than Indigenous heritage values. Traditional Owners with connections to the Region maintain their cultural practices and cus ...
... An assessment of heritage values was introduced into this report for the first time. It shows that many are inextricably linked to the health of the ecosystem and none more so than Indigenous heritage values. Traditional Owners with connections to the Region maintain their cultural practices and cus ...
PhD Thesis - Universidad Autónoma de Madrid
... responses, fresh faeces of individuals captured were collected during each experimental situation and the quantification of faecal corticosterone metabolites (FCM) as indicator of the adrenal activity was performed in the laboratory by an enzyme immunoassay. Results showed that wood mice (Apodemus s ...
... responses, fresh faeces of individuals captured were collected during each experimental situation and the quantification of faecal corticosterone metabolites (FCM) as indicator of the adrenal activity was performed in the laboratory by an enzyme immunoassay. Results showed that wood mice (Apodemus s ...
Social and Ecological Benefits of Restored Wolf Populations
... knowing that wolves again roam free in their native habitat. Other social sciences also focus on human benefits of restored wolf populations; a key example is the fact that wolf recovery has encouraged the development of a dialogue and partnerships between stakeholder groups who may otherwise be adv ...
... knowing that wolves again roam free in their native habitat. Other social sciences also focus on human benefits of restored wolf populations; a key example is the fact that wolf recovery has encouraged the development of a dialogue and partnerships between stakeholder groups who may otherwise be adv ...
The reproductive ecology of plainfin midshipman
... Alternative reproductive tactics (ARTs) have been described across taxa numerous times, and are especially common in fishes. The advent of molecular techniques has enhanced our understanding of ...
... Alternative reproductive tactics (ARTs) have been described across taxa numerous times, and are especially common in fishes. The advent of molecular techniques has enhanced our understanding of ...
Applying the Reference Site Model to Riparian Restoration Sites in
... flora and fauna, and (2) provide ecosystem services, such as flood control and recreation, for the urban areas surrounding the stream (Goodman et al. 2006; Ludy and Podolak 2007). Unfortunately, these goals can run contrary to each other, and urban restoration projects viewed as restoration success ...
... flora and fauna, and (2) provide ecosystem services, such as flood control and recreation, for the urban areas surrounding the stream (Goodman et al. 2006; Ludy and Podolak 2007). Unfortunately, these goals can run contrary to each other, and urban restoration projects viewed as restoration success ...
BfN-Skripten 375 - Bundesamt für Naturschutz
... Risks and trade-offs ....................................................................................................70 6.3.1 Risk: Loss of resilience against environmental stochasticity ............................. 70 6.3.2 Risk: Dispersal of antagonistic species .............................. ...
... Risks and trade-offs ....................................................................................................70 6.3.1 Risk: Loss of resilience against environmental stochasticity ............................. 70 6.3.2 Risk: Dispersal of antagonistic species .............................. ...
What Science Brings to the Challenge of Recovering Species
... Overview of Biological Declines and Legal Status Seven species of anadromous Pacific salmonids in the genus Oncorhynchus occur in North America (O. gorbuscha—pink salmon, O. keta—chum salmon, O. tshawytscha—chinook salmon, O. kisutch—coho salmon, O. nerka—sockeye salmon, O. mykiss—steelhead, and O. ...
... Overview of Biological Declines and Legal Status Seven species of anadromous Pacific salmonids in the genus Oncorhynchus occur in North America (O. gorbuscha—pink salmon, O. keta—chum salmon, O. tshawytscha—chinook salmon, O. kisutch—coho salmon, O. nerka—sockeye salmon, O. mykiss—steelhead, and O. ...
Discovery of genes in the Pacific oyster (Crassostrea gigas) involved
... 50 mL non-sterile of seawater. Sixteen oysters held in 8 L of seawater were inoculated via a 3 hour immersion bath with V. vulnificus at an initial concentration of 4.56x1019 CFU/L. Control oysters (n=16) were likewise placed in 8L of seawater. Following exposure, oysters were harvested aseptically ...
... 50 mL non-sterile of seawater. Sixteen oysters held in 8 L of seawater were inoculated via a 3 hour immersion bath with V. vulnificus at an initial concentration of 4.56x1019 CFU/L. Control oysters (n=16) were likewise placed in 8L of seawater. Following exposure, oysters were harvested aseptically ...
Parasites, density, and disturbance: Factors influencing coexistence
... approximately 10 years and are reproductively mature after 2 years (Whitlatch 1974, Race 1981). Females deposit egg strings from late spring to early summer and hatch as crawling juveniles (MacDonald 1967; Yamada and Sankurathri 1977; McCloy 1979; Race 1981). Diatoms constitute the main diet for bot ...
... approximately 10 years and are reproductively mature after 2 years (Whitlatch 1974, Race 1981). Females deposit egg strings from late spring to early summer and hatch as crawling juveniles (MacDonald 1967; Yamada and Sankurathri 1977; McCloy 1979; Race 1981). Diatoms constitute the main diet for bot ...
this thesis - Waddenacademie
... marshes must increase in elevation to avoid being ‘ecologically drowned’. This has generated the assumption that salt marshes have to move inland in order to adjust to the rising sea level. In situations where land claim has resulted in the construction of seawalls close to the mean high water level ...
... marshes must increase in elevation to avoid being ‘ecologically drowned’. This has generated the assumption that salt marshes have to move inland in order to adjust to the rising sea level. In situations where land claim has resulted in the construction of seawalls close to the mean high water level ...
Adaptations of Cetacean Retinal Pigments to Aquatic Environments
... two classes of cone photoreceptors, all cetaceans lack cone based color vision. For example, the Delphinidae (dolphins), Phocoenidae (porpoises), and some members of Ziphidae (beaked whales) possess single rod and cone photoreceptor classes. Recently, rod monochromats were identified in Ziphidae, Ph ...
... two classes of cone photoreceptors, all cetaceans lack cone based color vision. For example, the Delphinidae (dolphins), Phocoenidae (porpoises), and some members of Ziphidae (beaked whales) possess single rod and cone photoreceptor classes. Recently, rod monochromats were identified in Ziphidae, Ph ...
Effects of vole fluctuations on the population dynamics of the barn
... mammals, especially voles. These annual changes in prey abundance strongly affect the reproductive success and mortality of the individual predators and thus can be expected to influence their population dynamics and persistence. The barn owl, for example, shows large fluctuations in breeding succes ...
... mammals, especially voles. These annual changes in prey abundance strongly affect the reproductive success and mortality of the individual predators and thus can be expected to influence their population dynamics and persistence. The barn owl, for example, shows large fluctuations in breeding succes ...
Review of information, policy and legislation on species translocation
... Four subject areas are covered in separate chapters: species native to the UK, species not native to the UK, genetically modified organisms, and species assemblages. The types of translocations carried out within the subject area are reviewed and representative case studies are presented. ...
... Four subject areas are covered in separate chapters: species native to the UK, species not native to the UK, genetically modified organisms, and species assemblages. The types of translocations carried out within the subject area are reviewed and representative case studies are presented. ...