
March 19, 2023
Visiting one of the worlds most remote seagrass meadows
Eva Rothausler On a narrow stretch along the northern-central coast of Chile, the seagrass Heterozostera nigricaulis (syn. Zostera nigricaulis, Heterozostera tasmanica) occurs in three isolated patches no more than 300 km apart. It is a common intertidal to subtidal seagrass in the Zosteracea family and is found growing in protected and soft-bottom areas. Heterozostera nigricaulis is native to the southern coast of Australia (Coyer et al. 2013), from where it colonized Chile some 100s to 1000s years ago (Smith et al. 2018). In Australia, they form extensive meadows that produce large quantities of non-buoyant seeds and specialized vegetative rhizomes used…
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