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Effectiveness of the global protected area network in representing species diversity
It is shown that the global network of protected areas is far from complete, and the inadequacy of uniform—that is, ‘one size fits all’—conservation targets is demonstrated, in the first global gap analysis assessing the effectiveness ofprotected areas in representing species diversity.
Global Gap Analysis: Priority Regions for Expanding the Global Protected-Area Network
Abstract Protected areas are the single most important conservation tool. The global protected-area network has grown substantially in recent decades, now occupying 11.5% of Earth's land surface, but
A model for avian primary moult
The regression methods frequently used to estimate the parameters associated with primary moult in birds are unsatisfactory. Results obtained using least squares regression, and various ad hoc
Survival of British Sedge Warblers Acrocephalus schoenobaenus in relation to west African rainfall
Fluctuations in the population levels and annual adult survival rates of British Sedge Warblers Acrocephalus schoenobaenus since the late 1960s are strongly correlated with indices of wet season
Wind and rain govern the intensity of nocturnal bird migration in central Europe: A log-linear regression analysis
The low correspondence of empirical data with predictions from models on stopover duration and optimal fuel loads with respect to fat deposition rates may be caused by the high impact of local weather conditions on the take off decision of the majority of nocturnal migrants passing through central Europe.
Beyond bioclimatic envelopes: dynamic species' range and abundance modelling in the context of climatic change
B. Huntley (brian.huntley@durham.ac.uk), D. G. Hole and S. G. Willis, Ecosystem Science Centre, School of Biological and Biomedical Sciences, Durham Univ., South Road, Durham DH1 3LE, UK. P. Barnard,
moult: An R Package to Analyze Moult in Birds
The moult package for R implements the Underhill-Zucchini models, allowing the user to specify moult models in a regression type formula, and the functions allow the moult parameters to depend on explanatory variables.
An altered carrying capacity of the Benguela upwelling ecosystem for African penguins (Spheniscus demersus)
Historical and modern information on abundance and density-dependent responses is used to investigate changes in the carrying capacity of the Benguela upwelling ecosystem for African penguins (Spheniscus demersus), a species categorized as vulnerable.
Environmental Influences on the Abundance and Sexual Composition of White Sharks Carcharodon carcharias in Gansbaai, South Africa
It is suggested that water temperature and climatic phenomena influence the abundance of white sharks at this coastal site and the incorporation of environmental parameters into predictive models may help identify times and localities of higher risk to bathers and help mitigate human-white shark interactions.