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wyszukanych pozycji: 2
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Crayfish Survey and Discovery of a Member of the Cambarus acuminatus complex (Decapoda: Cambaridae) at Valley Forge National Historical Park in Southe
ISBN: 9781492804307 / Angielski / Miękka / 2013 / 44 str. Termin realizacji zamówienia: ok. 13-18 dni roboczych. The objectives of this study were to (1) determine if a reproducing population of crayfish belonging to the C. acuminatus complex occurs in Valley Creek within VFNHP; (2) conduct a comprehensive survey of Valley Creek within VFNHP and produce a list of all the crayfish species that occur there; and (3) determine the basic life history characteristics (e.g., size structure, sex ratio), reproductive status, and habitat preferences of the crayfish species that occur in Valley Creek within VFNHP.
The objectives of this study were to (1) determine if a reproducing population of crayfish belonging to the C. acuminatus complex occurs in Valley Cre...
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cena:
77,18 zł |
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Status of Native and Invasive Crayfish in Ten National Park Service Properties in Pennsylvania
ISBN: 9781492170150 / Angielski / Miękka / 2013 / 46 str. Termin realizacji zamówienia: ok. 13-18 dni roboczych. The work provides an updated crayfish species lists for ten National Park Service (NPS) properties in Pennsylvania after conducting comprehensive crayfish surveys of selected streams within the parks.
The work provides an updated crayfish species lists for ten National Park Service (NPS) properties in Pennsylvania after conducting comprehensive cray...
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cena:
86,26 zł |
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