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| griddap | Subset | tabledap | Make A Graph | wms | files | Accessible | Title | Summary | FGDC | ISO 19115 | Info | Background Info | RSS | Institution | Dataset ID | |
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| log in | [Experiment 1: the effect of relatedness and density on survival and growth.] - The effect of relatedness and density on survival and growth of Bugula neritina in the Gulf of Mexico, Florida from October to December 2021. (Consequences of kin structure in benthic marine systems) | In the Gulf of Mexico, Florida, we performed a series of field experiments using an experimentally tractable species (the bryozoan Bugula neritina) to test the hypothesis that the density, spatial arrangement, and genetic relatedness of neighbours differentially affect survival, growth, reproduction, paternity, and sperm dispersal. We manipulated the density and relatedness of neighbours and found that increased density reduced survival but not growth rate, and that there was no effect of relatedness on survival, growth, or fecundity, in contrast to previous studies. We also manipulated the distances to the nearest neighbour and used genetic markers to assign paternity within known mother–offspring groups to estimate how proximity affects mating success. Distance to the nearest neighbour did not affect the number of settlers produced, the paternity share, or the degree of multiple paternity. Overall, larger than expected sperm dispersal led to high multiple paternity, regardless of the distance to the nearest neighbour.\n\ncdm_data_type = Other\nVARIABLES:\nlatitude (degrees_north)\nlongitude (degrees_east)\nUnique_ID (unitless)\nMother_colony (unitless)\nDensity (unitless)\nRelatedness (unitless)\nGrid_position (unitless)\nX (unitless)\nY (unitless)\nInside_outside (unitless)\nDate (unitless)\nAge_days (unitless)\nBifurcations (unitless)\nZooids (unitless)\nSurvival (unitless)\n | BCO-DMO | bcodmo_dataset_968839_v1 | ||||||||||||
| log in | [Experiment 2: the effect of relatedness on survival, growth, and reproduction] - The effect of relatedness on survival, growth, and reproduction of Bugula neritina in the Gulf of Mexico, Florida from March to June 2022. (Consequences of kin structure in benthic marine systems) | In the Gulf of Mexico, Florida, we performed a series of field experiments using an experimentally tractable species (the bryozoan Bugula neritina) to test the hypothesis that the density, spatial arrangement, and genetic relatedness of neighbours differentially affect survival, growth, reproduction, paternity, and sperm dispersal. We manipulated the density and relatedness of neighbours and found that increased density reduced survival but not growth rate, and that there was no effect of relatedness on survival, growth, or fecundity, in contrast to previous studies. We also manipulated the distances to the nearest neighbour and used genetic markers to assign paternity within known mother–offspring groups to estimate how proximity affects mating success. Distance to the nearest neighbour did not affect the number of settlers produced, the paternity share, or the degree of multiple paternity. Overall, larger than expected sperm dispersal led to high multiple paternity, regardless of the distance to the nearest neighbour.\n\ncdm_data_type = Other\nVARIABLES:\nlatitude (degrees_north)\nlongitude (degrees_east)\nUnique_ID (unitless)\nMother_colony (unitless)\nRelatedness (unitless)\nGrid_position (unitless)\nX (unitless)\nY (unitless)\nPosition (unitless)\nDate (unitless)\nAge_days (unitless)\nBifurcations (unitless)\nZooids (unitless)\nSurvival (unitless)\nFertilized_ovicells (unitless)\nOvicells_total (unitless)\n | BCO-DMO | bcodmo_dataset_968545_v1 |