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Filtering by: Creator Stohs, Stephen Creator Hilger, James

A Multivariate Poisson Approach to Estimating Target Catch and Bycatch Production

Creator:

Hilger, James and Stohs, Stephen

Abstract:

This paper develops a count data model of target species and bycatch production for an arbitrary number of species that handles correlation between species and over time. The model is applied to a large observer dataset for fishing trips taken from 1990 to 2008 for roughly 150 vessels participating in...

Resource Type:

Other

Full Text:

Southwest Fishery Science Center - La Jolla (USA) Stephen Stohs, National Marine Fisheries Service (USA
Cost-Benefit Analysis of DGN Swordfish Time-Area Closure

Creator:

Squires, Dale, Sun, Chin-Hwa, Hilger, James, Chan, Valerie, Helvey, Mark, Herrick, Samuel Jr., Stohs, Stephen, and Segerson, Kathleen

Abstract:

Unilateral conservation of a transboundary resources, notably bycatch species, can lead to production, trade, and conservation leakages, losses in net benefits to society, and, paradoxically, increased rather than the intended decline biodiversity loss. A 2001 time-area closure of a key fishing area for the California-Oregon drift gillnet fleet harvesting swordfish...

Resource Type:

Presentation

Full Text:

, Valerie Chan, Mark Helvey, Samuel F. Herrick, Jr., Stephen Stohs, and Kathleen Segerson IIFET, 2016