Response of shoal grass, Halodule wrightii, to extreme winter conditions in the Lower Laguna Madre, Texas
Aquatic Botany
By: D.W. Hicks, C.P. Onuf, and J.W. Tunnell
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Abstract
Effects of a severe freeze on the shoal grass, Halodule wrightii, were documented through analysis of temporal and spatial trends in below-ground biomass. The coincidence of the second lowest temperature (-10.6??C) in 107 years of record, 56 consecutive hours below freezing, high winds and extremely low water levels exposed the Laguna Madre, TX, to the most severe cold stress in over a century. H. wrightii tolerated this extreme freeze event. Annual pre- and post-freeze surveys indicated that below-ground biomass estimated from volume was Unaffected by the freeze event. Nor was there any post-freeze change in biomass among intertidal sites directly exposed to freezing air temperatures relative to subtidal sites which remained submerged during the freezing period.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Response of shoal grass, Halodule wrightii, to extreme winter conditions in the Lower Laguna Madre, Texas |
| Series title | Aquatic Botany |
| DOI | 10.1016/S0304-3770(98)00084-9 |
| Volume | 62 |
| Issue | 2 |
| Year Published | 1998 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Aquatic Botany |
| First page | 107 |
| Last page | 114 |
| Google Analytic Metrics | Metrics page |