search for: seabird

Dear List, My student and I are looking for an optimizer for a nonlinear optimization problem we are working on. The problem we are working on is to try to pick a set of islands on which to eradicate rats for seabird conservation. We have about 50 islands, each of which has some subset of 17 seabird species. Rats are present on all islands, and will cause the seabirds to go extinct unless they are removed. Removing rats on islands costs different amounts depending on which island is chosen. The decision pro...

Hi there, I am new to the package glmmadmb, but need it to perform a zero-inflated gzlmm with a binomial error structure. I can't seem to get it to work without getting some strange error messages. I am trying to find out what is affecting the number of seabird calls on an array of recorders placed at 4 sites on 6 islands. I have nightly variables (weather and moonlight), site variables (proximity to a source population of seabirds and proximity to a refugia from predators). and island variables (island size and number of years since predator eradication...

Dear all, I am analyzing counts of seabirds made from line transects at sea. I have been fitting Poisson and negative binomial distributions to the data using the goodfit function from the vcd library. I would also like to evaluate how well a quasi-poisson distribution fits the data. However, none of the potentially suitable functions I ha...

The NOAA National Centers for Coastal Ocean Science is hiring a Computational Ecologist, a statistical/computational ecologist with experience fitting advanced spatial models to marine wildlife survey data (e.g., seabirds and marine mammal transects, fisheries trawl surveys) in R and other statistical languages. This is a full-time, long-term stable contract position. We are looking for an expert R programmer with experience in spatial modeling, especially of marine wildlife survey transect data (e.g. seabirds,...

...nd' Could someone already using the RSAGA package provide some help in telling me what I did wrong? Thanks for your help, Am?lie -- -------------------------------------------------------------------------------------------------------------------------------- *Am?lie Lescro?l* Postdoc - Seabird ecology Centre d?Etudes Biologiques de Chiz? ? 79360 Villiers en Bois ? France *_http://www.cebc.cnrs.fr/Fidentite/lescroel/lescroel.htm_* *_http://www.cebc.cnrs.fr/ecomm/En_ecomm/En_index.html_* *_http://www.penguinscience.com_* <http://www.penguinscience.com/> ---------------------------...

...mplex spatial and spatiotemporal ecological modeling challenges, including modeling of species? distributions, marine wildlife survey data, and/or physical, oceanographic, and geological aspects of marine habitat. Examples of potential projects include spatial and spatiotemporal modeling of corals, seabirds, marine mammals, fish, seafloor habitats, estuarine and coastal habitats, and marine ecosystem structure (e.g., connectivity, biodiversity) in a variety of US jurisdictions. Core responsibilities: - Provide statistical, computational, and analytical support for projects that use predictive model...