Program, Project, or Expedition Name:
Reproductive Biology of Jonah crab, Cancer borealis
Data Link:
Institution | LMRCSC, UMES |
Principal Investigator | Brad Stevens | bgstevens@umes.edu | 410-651-6066 |
Funding Agency/Contract # | NOAA EPP, LMRCSC, NA16SEC4810007 |
Collection Start Date | 6/1/2016 |
Objectives of Data Collection Effort | Determine reproductive cycle, size at maturity, gonad development, egg maturation, mating season |
Collection End Date | 9/1/2018 |
Data Collectors Identifying Numbers | N/A |
Ship or Other Platform Name | F/V Paka |
Geographic Location [Latitude(s)/longitude(s)] | 37.72 to 38.71 N; -74.34 to -74.97 W |
Units | mm, micrometers, ratios, relative condition |
Data Parameters | crab size, egg size, gonad develop-ment, shell condition |
Precision | 1.0, 1.0, 0.01, 1 |
Observation Methodology | visual, microscopy |
Instrument/Gear Identification of Description | N/A |
Analysis Methodology | Anova,t-test, general linear models, mixed-model analysis |
Data Processing/ Reduction Methodology | Custom written R code, various R packages |
Explanations of Data Quality Flags | None |
Citations of Relevant Publications and Grey Literature | Olsen, N. A. and B. G. Stevens. 2020 Size at Maturity and Reproductive Characteristics of Male and Female Jonah Crabs Cancer borealis in the Mid-Atlantic Bight |