<|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 bottom trawl survey data are available from the obis database, northeast fisheries science center bottom trawl survey data: http://iobis.org/mapper/?resource_id=1435. requests to the nefsc director may be necessary for the most recent data, which will be distributed freely. atlantic multidecadal oscillation (amo) data are available from the noaa earth system research laboratory database: http://www.esrl.noaa.gov/psd/data/correlation/amon.us.data. winter north atlantic oscillation index data are available as a supporting information file. sea surface temperature data are available from the national climate data center dataset: http://www.ncdc.noaa.gov/data-access/marineocean-data/extended-reconstructed-sea-surface-temperature-ersst-v3b. precipitation data are available from the carbon dioxide information analysis center database: http://cdiac.ornl.gov/ftp/ushcn_v2_monthly/.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>