CalCOFI and NMFS Seabird and Marine Mammal Observation Data, 1987-2006

The projects were conducted under the grants awarded to the following
organizations and their scientists.

The principle investigators of the CalCOFI part of this dataset are
(in the chronological order from 1987 to 2006):
Richard Veit and John McGowan, Scripps Institution of Oceanography (1987-1994)
David Hyrenbach, Scripps Institution of Oceanography (1994-2000)
Bill Sydeman, PRBO Conservation Science (2000-2006)

The principle investigators of the Rockfish part of this dataset is
Bill Sydeman, PRBO Conservation Science (1996-2006)

# the affiliations are the ones they belonged to at the time of the surveys.

The data were contributed by PRBO Conservation Science.
These two projects are on going. See [Supplemental information] for the
information on the PIs and organizations in recent years.

This dataset contains observation data of marine birds and mammals from California Cooperative Oceanic Fisheries Investigations (CalCOFI) from 1987-2006 and Rockfish cruises along the California coast from 1996-2006 by National Marine Fisheries Service (NMFS).

Data were collected aboard research vessels using standardized marine bird and mammal survey techniques (Tasker et al. 1984, Buckland et al. 1993). Marine birds
and mammals were observed in a 90-degree arc from the bow to one side of the ship out to 300m. Counts are summarized by species and behavior along the transects in 3 km bins. Data span years 1987 - 2006.

Relating changing ocean productivity patterns and upper-trophic predator (seabirds and marine mammals) distributions to the underlying physical oceanographic variability enhances our understanding of the ecological context of the CalCOFI and NMFS database, thereby aiding in the interpretation of large-scale hydrographic and ocean productivity patterns. An inter-disciplinary, ecosystem-level perspective will provide new insight into offshore California wildlife habitat associations and how apex marine organisms (including fish with diets similar to seabirds and/or mammals) respond to differences in ocean climate, productivity, and water mass properties, information needed to manage fisheries and wildlife under changing ocean conditions.

The dataset is also available at Ocean Informatics Data Zoo
(http://oceaninformatics.ucsd.edu/datazoo/).

The CalCOFI and Rockfish projects are on going.
The Principle Investigators of these projects are as follows (listed those in
recent years only):

Rockfish survey
2008, Leg 1/2: Bill Sydeman, Farallon Institute for Advanced Ecosystem Research
2008, Leg 3: Jaime Jahncke, PRBO Conservation Science
2009, Leg 1/2: Bill Sydeman, Farallon Institute for Advanced Ecosystem Research
2009, Leg 3: Jaime Jahncke, PRBO Conservation Science

CalCOFI survey
2006-2007: Bill Sydeman, PRBO Conservation Science
2007-current: Bill Sydeman, Farallon Institute for Advanced Ecosystem Research

These recent data are available from these individuals or organizations upon request.
The recent data by Bill Sydeman will be also available through OBIS-SEAMAP in the
near future.


Each sighting is a total of all of the birds/mammals of that species and behavior
seen in an area (approx. 3 km long and 300m wide). The location is represented at
the middle of the bin. Length may be less at the end of a transect, and width
may be less depending on the weather.
Each bin is temporally about 10 minutes in duration (depending on ship speed).

Tracklines on this map represent on-effort only. Off-effort tracks may be obtained
from the data provider.

The dataset has been updated over time as outlined below. Each entry includes the version number, release date, type of change, and a short description.

Overview

This section explains attributes included in the original dataset. OBIS-SEAMAP restricts the attributes available to the public to date/time, lat/lon and species names/counts only. Should you need other attributes described here, you are encouraged to contact the data provider.

Attributes described below represent those in the original dataset provided by the provider.
Only minimum required attributes are visible and downloadable online. Other attributes may be obtained upon provider's permission.

Attributes in dataset

Attribute (table column)	Description
id	Provider assigned ID
gis_key	Primary key; a concatenation of survey name + year + month + date + survey bin/transect number (bin)
obs_date	Date of survey bin (MM/DD/YYYY)
obs_time	Start time of survey bin
latitude	Midpoint Latitude Position of Bin (decimal degrees)
longitude	Midpoint Longitude Position of Bin (decimal degrees)
species	Species of seabird or mammal observation
sp_tsn	Taxonomic Serial Number by Integrated Taxonomic Information System
scientific	Scientific name
rank	Species taxonomic rank
behavior	Behavior of seabird or mammal observation
obs_count	Count of observation
depth	Bathymetric depth of survey bin (CalCOFI and NMFS only)
svy	3 letter survey code CAC=CalCOFI; LIP=Line P; CPR=Continuous Plankton Recorder; NMF=NMFS Rockfish Recruitment Survey
cruise	Unique ID attributed to individual cruises (SVY+YYY_MM)
geom	Geometry field added by OBIS-SEAMAP
oid	Unique ID number (generated by OBIS-SEAMAP)