<|begin_of_text|><|start_header_id|>system<|end_header_id|>

You are an expert at identifying data availability statements in scientific text. A data availability statement describes where research data can be found or how it can be accessed.<|eot_id|><|start_header_id|>user<|end_header_id|>

Determine if the following text contains a data availability statement. Answer with 'yes' or 'no'.

Text: all relevant data used in this investigation are available through the open electronic sources cited within the paper.1. species global occurrences. obtained from the following gateways: global biodiversity information facility (gbif, http://www.gbif.org/), biological collection access service for europe (biocase, http://www.biocase.org), ocean biogeography information system (iobis, http//iobis.org/mapper), netherlands biodiversity information facility (nlbif, http://www.nlbif.nl), waarnemingen network (http://waarneming.nl), national biodiversity network (nbn, gateway http://data.nbn.org.uk), discover life (http://www.discoverlife.org) and an extensive isi web of knowledge literature review (table s2)2. environmental predictors. continental variables obtained from obtained from worldclim (http://www.worldclim.org). oceanic layers downloaded from bio-oracle (ocean rasters for analysis of climate and environment, http://www.oracle.ugent.be). 3. human-related predictors: global human influence index map (socio-economic data and applications centre, http://sedac.ciesin.columbia.edu). land cover obtained from igbp- international geosphere-biosphere programme (modis global land cover classification v2, https://www.umb.edu/spectralmass/terra_aqua_modis). density of human population (oak ridge national laboratory, http://www.ornl.gov/sci/landscan).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>