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Distance software: design and analysis of distance sampling surveys for estimating population size
TLDR
Advanced analysis topics covered include the use of multipliers to allow analysis of indirect surveys, the density surface modelling analysis engine for spatial and habitat modelling, and information about accessing the analysis engines directly from other software. Expand
Ape Abundance and Habitat Use in the Goualougo Triangle, Republic of Congo
Chimpanzee (Pan troglodytes troglodytes) and western gorilla (Gorilla gorilla gorilla) populations in central Africa are rapidly declining as a result of disease epidemics, commercial bushmeatExpand
Devastating Decline of Forest Elephants in Central Africa
TLDR
Analysis of the largest survey dataset ever assembled for forest elephants revealed that population size declined by ca. Expand
Monitoring Great Ape and Elephant Abundance at Large Spatial Scales: Measuring Effectiveness of a Conservation Landscape
TLDR
In a conservation landscape in northern Republic of Congo, the application of a large-scale monitoring program to evaluate the impact of conservation interventions on three globally threatened species is demonstrated, indicating that, given adequate protection from poaching, elephants and gorillas can profit from herbaceous vegetation in recently logged forests and maintain access to ecologically important resources located outside of protected areas. Expand
Roadless Wilderness Area Determines Forest Elephant Movements in the Congo Basin
TLDR
This work investigates the ranging behaviour of forest elephants in relation to roads and roadless wilderness by fitting GPS telemetry collars onto a sample of 28 forest elephants living in six priority conservation areas and shows that the size of roadless Wilderness is a strong determinant of home range size in this species. Expand
Forest Elephant Crisis in the Congo Basin
TLDR
Results indicate that the abundance and range of forest elephants are threatened from poaching that is most intense close to roads, and forest elephant density inside protected areas was correlated with the size of remote forest core, but not with size of protected area. Expand
Distinguishing between the nests of sympatric chimpanzees and gorillas
Summary 1 Our current inability to estimate precisely the population sizes of chimpanzees and gorillas across much of the Congo Basin has been detrimental to the development of conservationExpand
ABUNDANCE OF IRRAWADDY DOLPHINS (ORCAELLA BREVIROSTRIS) AND GANGES RIVER DOLPHINS (PLATANISTA GANGETICA GANGETICA) ESTIMATED USING CONCURRENT COUNTS MADE BY INDEPENDENT TEAMS IN WATERWAYS OF THE
Independent observer teams made concurrent counts of Irrawaddy dolphins Orcaella brevirostris and Ganges River dolphins Platanista gangetica gangetica in mangrove channels of the Sundarbans Delta inExpand
Artisanal Green Turtle, Chelonia mydas, Fishery of Caribbean Nicaragua: I. Catch Rates and Trends, 1991–2011
TLDR
Low catch rates in Nicaragua are cause for concern even though the principal source rookery at Tortuguero, Costa Rica, shows an increase in nesting activity, and the need for close monitoring of rookeries and in-water aggregations in the Caribbean is highlighted. Expand
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