Found 65 datasets matching "Otoliths".
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We studied young of the year sablefish Anoplopoma fimbria to collect basic life history information on their abundance, growth, and diet and to determine whether forecasting year class abundance...
Search relevance: 126.84 | Views last month: 0 -
The data set contains lead-radium dating of opakapaka (Pristipomoides filamentosus) otoliths from recent and archival collections (1987-2009).
Search relevance: 98.74 | Views last month: 4 -
This project describes ongoing work by scientists in FE Ecosystem Analysis and EFS Environmental Chemistry programs to identify natal and rearing locations, reconstruct life history strategy, and...
Search relevance: 75.61 | Views last month: 0 -
This dataset includes radiogenic strontium isotope compositions of non-native walleye otoliths collected from select areas of the Upper Colorado River Basin (UCRB). Strontium isotope data have...
Search relevance: 72.82 | Views last month: 0 -
North Pacific Observer Program observers collect fish otoliths as part of their standard duties. Otolith collections follow a randomized sample design detailed in the Observer Sampling Manual...
Search relevance: 66.34 | Views last month: 0 -
The Lower Duwamish River is a highly industrialized waterway flowing into the densely urbanized Puget Sound waterfront of Seattle, WA. As part of a Natural Resource Damage Assessment (NRDA)...
Search relevance: 61.71 | Views last month: 0 -
A total of 236 Black Carp were collected throughout the year from 2017-2019 by incidental captures of commercial fishers and biologists. Capture date, river basin of capture location, and...
Search relevance: 59.27 | Views last month: 0 -
Dockside biological data collection is primarily used to obtain a representative sample for length and weight by species. The lengths are used in length frequency graphs and the weights are used...
Search relevance: 58.78 | Views last month: 2 -
Diet studies are fundamental for understanding trophic connections in marine ecosystems. In the southeastern US, the common bottlenose dolphin Tursiops truncatus is the predominant marine mammal...
Search relevance: 50.27 | Views last month: 0 -
The dataset includes four seperate files of data for a project that examined the strontium isotopic composition of otoliths of Clear Lake Hitch. Otoliths examined in this study were from...
Search relevance: 46.63 | Views last month: 1 -
Daily ages of young-of-year Silver Chub were estimated from counts of rings in lapilli otoliths. Lapilli were mounted to glass slides with thermoplastic cement and sanded to the core with 2000...
Search relevance: 45.04 | Views last month: 0 -
In 2016, for the first time, an abundance of age-0 silver carp (Hypophthalmichthys molitrix) were captured at several sites upstream of Lock and Dam 19 on the Upper Mississippi River near Keokuk,...
Search relevance: 43.91 | Views last month: 0 -
The dataset includes multiple file types (CSV, ArcGIS shapefiles, and images), data relates to the elemental analysis of fish otoliths. Otoliths examined in this study were from randomly-sampled...
Search relevance: 43.45 | Views last month: 0 -
The longevity of blue marlin (Makaira nigricans) remains unresolved. The use of fin spines and sagittal otoliths for age reading has led to unconfirmed longevity estimates near 20–30 years. Age...
Search relevance: 43.14 | Views last month: 0 -
Field and laboratory data collected for fishes sampled by boat electrofishing in the Sacramento-San Joaquin delta, CA. This data release includes all measured environmental parameters, body...
Search relevance: 40.81 | Views last month: 0 -
This data set contains food habits determined from stomachs of northern fur seals collected from pelagic waters during 1981-1985. Prey items were identified using hard parts including bones,...
Search relevance: 37.71 | Views last month: 0 -
Age estimates of Lake Superior Kiyi (Coregonus kiyi) from scales and otoliths were compared from fish collected in 2014 and 12 years (2003–2014) of length frequency data were examined to assess...
Search relevance: 37.35 | Views last month: 0 -
2015 Carbbean Reef Fish Survey (PC1505, EK60). Objectives of the 2015 Caribbean Reef Fish Survey were to assess relative abundance of reef fish species around the US Caribbean Islands, estimate...
Search relevance: 35.36 | Views last month: 4 -
These data was collected in conjuction with Upper Mississippi River Restoration-Long Term Resource Monitoring (UMRR-LTRM) element data. The goal of this data collection was to assess age...
Search relevance: 34.89 | Views last month: 0
