Interactions among salt marsh plants vary geographically but not latitudinally along the California coast

Noto, Akana E.; Shurin, Jonathan B.

doi:10.1002/ece3.3191

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Interactions among salt marsh plants vary geographically but not latitudinally along the California coast

2017
By Noto, Akana E. ; Shurin, Jonathan B.
Source: Ecology and Evolution 7(16): 6549-6558, 2017

[PDF-813.15 KB]

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Journal Title:

Ecology and Evolution
Personal Author:

Noto, Akana E. ; Shurin, Jonathan B.

Noto, Akana E. ; Shurin, Jonathan B. Less -
NOAA Program & Office:

NOS (National Ocean Service) ; OCM (Office for Coastal Management)

NOS (National Ocean Service) ; OCM (Office for Coastal Management) Less -
Description:

The strength of species interactions often varies geographically and locally with environmental conditions. Competitive interactions are predicted to be stronger in benign environments while facilitation is expected to be stronger in harsh ones. We tested these ideas with an aboveground neighbor removal experiment at six salt marshes along the California coast. We determined the effect of removals of either the dominant species, Salicornia pacifica, or the subordinate species on plant cover, aboveground biomass and community composition, as well as soil salinity and moisture. We found that S. pacifica consistently competed with the subordinate species and that the strength of competition varied among sites. In contrast with other studies showing that dominant species facilitate subordinates by moderating physical stress, here the subordinate species facilitated S. pacifica shortly after removal treatments were imposed, but the effect disappeared over time. Contrary to expectations based on patterns observed in east coast salt marshes, we did not see patterns in species interactions in relation to latitude, climate, or soil edaphic characteristics. Our results suggest that variation in interactions among salt marsh plants may be influenced by local‐scale site differences such as nutrients more than broad latitudinal gradients.
Keywords:

[+]

Salt marshes
Source:

Ecology and Evolution 7(16): 6549-6558, 2017
DOI:

https://doi.org/10.1002/ece3.3191
Pubmed Central ID:

PMC28861256
Document Type:

Journal Article
Place as Subject:

Pacific Coast (Calif.)
Rights Information:

CC BY
Compliance:

PMC
Main Document Checksum:

[+]

urn:sha256:bc4b35c95040d53f035514088a467246d876e911d9c95078df2658765f9645e9
Download URL:

https://repository.library.noaa.gov/view/noaa/28615/noaa_28615_DS1.pdf
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Interactions among salt marsh plants vary geographically but not latitudinally along the California coast

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