Sea otter females with pups in Prince William Sound, Alaska

Sylvia K. Osterrieder, Randall W. Davis

In altricial mammals, the mother’s care and attendance are essential for the young to acquire survival skills. Not much is known about mother-pup behavior in the sea otter population of Simpson Bay, Prince William Sound, Alaska, United States. In these studies, firstly, water depth and location of feeding females with pups of different ages were recorded (global positioning system [GPS] locations of the sea otters are given in the map). Secondly, boat locations were noted when females with pups were observed for 24 hour activity budgets (GPS locations of the boat are given in the map). Weather, time and tidal conditions were also recorded and tested on the influence on sea otters behavior.

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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
oid	Unique ID number (generated by SEAMAP)
obs_date	date of observation
obs_time	time of observation
latitude	Latitude of observation
longitude	Longitude of observation
sp_obs	Species observed
sp_tsn	Species ITIS TSN
obs_count	Number of animals observed
record_num	record number
sex	sex
age_of_pup	age of pup
loc_notes	note as to whether an actual animal location was used, or whether the location of the boat was used.
boat_lat	boat latitude
boat_long	boat longitude
tide	tide
weather	weather
beaufort	beaufort
depth_boat	depth at boat location
lat_anim	animal latitude
long_anim	animal longitude
depth_anim	depth at animal location