@article{metcalf_settlement_1995,
	title = {Settlement indices for blue crab megalopae in the {York} {River}, {Virginia}: temporal relationships and statistical efficiency},
	doi = {10.1017/CBO9781107415324.004},
	abstract = {The efficacy of artificial settlement substrates in quantifying relative rates of settlement of blue crab, Callinectes sapidus, postlarvae (megalopae) was examined. The technique has been widely used to assess settlement at local (Chesapeake Bay) and broad geographic scales (Atlantic and Gulf Coasts). This analysis examined differences in settlement between two configurations of substrates and two depths of deployment, in relation to lunar day, month, year and hours of flood tide occurring at night. Substrates were deployed daily for four years (1989-1992) during the settlement season (July-November) in the York River, Virginia. Set- tlement did not differ between substrate configurations (flat and cylindrical) deployed at the same location in the water column. Substrates deployed at the bottom of the water column had higher settlement than substrates at the surface, except during the last lunar month sam- pled (approximately November), when settlement was higher at the surface. There was a semilunar periodicity in settlement with high settlement following the new and full moon phases. Settlement varied annually and with lunar month. Statistical efficiency was achieved with a minimum of three or four replicate substrates. Cylindrical artificial settlement sub- strates are efficient, reliable and capable of detecting temporal patterns in settlement.},
	journal = {Bulletin of Marine Science},
	author = {Metcalf, Karen S. and van Montfrans, Jacques and Lipcius, Romuald N. and Orth, Robert J.},
	year = {1995},
	pmid = {25246403},
	note = {ISBN: 9788578110796
\_eprint: arXiv:1011.1669v3},
	keywords = {Animal Interactions},
}

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This analysis examined differences in settlement between two configurations of substrates and two depths of deployment, in relation to lunar day, month, year and hours of flood tide occurring at night. Substrates were deployed daily for four years (1989-1992) during the settlement season (July-November) in the York River, Virginia. Set- tlement did not differ between substrate configurations (flat and cylindrical) deployed at the same location in the water column. Substrates deployed at the bottom of the water column had higher settlement than substrates at the surface, except during the last lunar month sam- pled (approximately November), when settlement was higher at the surface. There was a semilunar periodicity in settlement with high settlement following the new and full moon phases. Settlement varied annually and with lunar month. Statistical efficiency was achieved with a minimum of three or four replicate substrates. Cylindrical artificial settlement sub- strates are efficient, reliable and capable of detecting temporal patterns in settlement.","journal":"Bulletin of Marine Science","author":[{"propositions":[],"lastnames":["Metcalf"],"firstnames":["Karen","S."],"suffixes":[]},{"propositions":["van"],"lastnames":["Montfrans"],"firstnames":["Jacques"],"suffixes":[]},{"propositions":[],"lastnames":["Lipcius"],"firstnames":["Romuald","N."],"suffixes":[]},{"propositions":[],"lastnames":["Orth"],"firstnames":["Robert","J."],"suffixes":[]}],"year":"1995","pmid":"25246403","note":"ISBN: 9788578110796 _eprint: arXiv:1011.1669v3","keywords":"Animal Interactions","bibtex":"@article{metcalf_settlement_1995,\n\ttitle = {Settlement indices for blue crab megalopae in the {York} {River}, {Virginia}: temporal relationships and statistical efficiency},\n\tdoi = {10.1017/CBO9781107415324.004},\n\tabstract = {The efficacy of artificial settlement substrates in quantifying relative rates of settlement of blue crab, Callinectes sapidus, postlarvae (megalopae) was examined. The technique has been widely used to assess settlement at local (Chesapeake Bay) and broad geographic scales (Atlantic and Gulf Coasts). This analysis examined differences in settlement between two configurations of substrates and two depths of deployment, in relation to lunar day, month, year and hours of flood tide occurring at night. Substrates were deployed daily for four years (1989-1992) during the settlement season (July-November) in the York River, Virginia. Set- tlement did not differ between substrate configurations (flat and cylindrical) deployed at the same location in the water column. Substrates deployed at the bottom of the water column had higher settlement than substrates at the surface, except during the last lunar month sam- pled (approximately November), when settlement was higher at the surface. There was a semilunar periodicity in settlement with high settlement following the new and full moon phases. Settlement varied annually and with lunar month. Statistical efficiency was achieved with a minimum of three or four replicate substrates. Cylindrical artificial settlement sub- strates are efficient, reliable and capable of detecting temporal patterns in settlement.},\n\tjournal = {Bulletin of Marine Science},\n\tauthor = {Metcalf, Karen S. and van Montfrans, Jacques and Lipcius, Romuald N. and Orth, Robert J.},\n\tyear = {1995},\n\tpmid = {25246403},\n\tnote = {ISBN: 9788578110796\n\\_eprint: arXiv:1011.1669v3},\n\tkeywords = {Animal Interactions},\n}\n\n\n\n","author_short":["Metcalf, K. S.","van Montfrans, J.","Lipcius, R. N.","Orth, R. 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