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Overwintering strategies of bloom-forming Ulva species in Narragansett Bay, Rhode Island, USA
Journal article   Peer reviewed

Overwintering strategies of bloom-forming Ulva species in Narragansett Bay, Rhode Island, USA

Shelby Rinehart, Michele Guidone, Amanda Ziegler, Tanja Schollmeier and Carol Thornber
Botanica marina, v 57(4), pp 337-341
01 Aug 2014

Abstract

macroalgal bloom overwintering propagules
Temperate coastal estuaries worldwide, such as Narragansett Bay, Rhode Island, are influenced by seasonal macroalgal blooms (e.g., ) during warm months, whereas bloom-forming macroalgae are rarely encountered during winter. We assessed the ability of distromatic to overwinter through fragments, recruits, and/or microscopic propagules. We documented (a) small tissue fragments in sediment cores and the water column, (b) recruits and microscopic propagules on field-based settlement tiles, and (c) production of reproductive propagules, throughout the winter months. Laboratory culturing experiments indicated that both fragments and propagules are viable. Our data indicate that bloom-forming overwintering simultaneously use multiple reproductive strategies.

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#13 Climate Action
#14 Life Below Water
#15 Life on Land

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Web of Science research areas
Marine & Freshwater Biology
Plant Sciences
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