21 research outputs found

    adultreprov2

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    Adultreprov2: Data set includes data from the 2007-2008 study (study 1) and fish collected by purse seine and sampled non-lethally in 2012 (study 2). a.Sex is set up as a character variable (F=female) and numeric (sexx, 2=female); tl=total length; small is a size category (<850 mm TL=small); reproductive phases are based on Brown-Peterson et al. (2011). GSI=gonadosomatic index. Mature categorizes immature (1) and mature fish (2)

    Aerial surveys 2012 2013

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    Aerial surveys 2012 2013: Data set includes the date, location, and method for identifying red drum spawning aggregations

    subadults

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    Subadults: data set includes biological data for subadults sampled in the estuary. c.Parameters are the same as in the Adultreprov2 with the exception of total_weight which is measured in grams. Age is in years and based on fin rays

    Appendix B. A video of one species of fish spawning and another species of fish immediately feeding on the egg boon produced by the spawning fishes.

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    A video of one species of fish spawning and another species of fish immediately feeding on the egg boon produced by the spawning fishes

    Vermilion Snapper spawning.

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    <p>Maps of Edisto MPA (green) square and surrounding shelf edge showing <b>A)</b> Depth from multibeam bathymetry and SERFS samples with spawning condition (stars) and non-spawning condition (Xs) female vermilion snapper, <b>B)</b> BPI from Benthic Terrain Modeler and squares denoting habitat type (HB: hardbottom, NH: not hardbottom, PH: potential hardbottom) from SEAMAP-SA, <b>C)</b> Model predictions of spawning locations at month and lunar phase of peak spawning and MARMAP fishery-dependent samples of spawning condition female Vermilion Snapper (crosses), and <b>D)</b> standard error in model predictions of peak spawning.</p

    Timing and locations of reef fish spawning off the southeastern United States

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    <div><p>Managed reef fish in the Atlantic Ocean of the southeastern United States (SEUS) support a multi-billion dollar industry. There is a broad interest in locating and protecting spawning fish from harvest, to enhance productivity and reduce the potential for overfishing. We assessed spatiotemporal cues for spawning for six species from four reef fish families, using data on individual spawning condition collected by over three decades of regional fishery-independent reef fish surveys, combined with a series of predictors derived from bathymetric features. We quantified the size of spawning areas used by reef fish across many years and identified several multispecies spawning locations. We quantitatively identified cues for peak spawning and generated predictive maps for Gray Triggerfish (<i>Balistes capriscus</i>), White Grunt (<i>Haemulon plumierii</i>), Red Snapper (<i>Lutjanus campechanus</i>), Vermilion Snapper (<i>Rhomboplites aurorubens</i>), Black Sea Bass (<i>Centropristis striata</i>), and Scamp (<i>Mycteroperca phenax</i>). For example, Red Snapper peak spawning was predicted in 24.7–29.0°C water prior to the new moon at locations with high curvature in the 24–30 m depth range off northeast Florida during June and July. External validation using scientific and fishery-dependent data collections strongly supported the predictive utility of our models. We identified locations where reconfiguration or expansion of existing marine protected areas would protect spawning reef fish. We recommend increased sampling off southern Florida (south of 27° N), during winter months, and in high-relief, high current habitats to improve our understanding of timing and location of reef fish spawning off the southeastern United States.</p></div
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