Flood regime as a driver of the distribution of mangrove and salt marsh species in a subtropical estuary

被引:27
|
作者
Spier, Daphne [1 ]
Gerum, Humberto L. N. [1 ]
Noernberg, Mauricio A. [2 ]
Lana, Paulo C. [1 ]
机构
[1] Univ Fed Parana, Ctr Marine Studies, Benthos Lab, Pontal Do Sul, PR, Brazil
[2] Univ Fed Parana, Ctr Marine Studies, Lab Coastal Oceanog & GIS, Ave Beira Mar S-N, BR-83255976 Pontal Do Sul, PR, Brazil
关键词
Paranagua estuarine complex; Southern Brazil; Tide; Hydroperiod; Spartina; Mean sea level; CRAB UCIDES-CORDATUS; KANDELIA-CANDEL; PARANAGUA BAY; PHYSIOLOGICAL-RESPONSES; AVICENNIA-MARINA; GROWTH; HYDROPERIOD; RESTORATION; VEGETATION; TOLERANCE;
D O I
10.1016/j.jmarsys.2016.05.004
中图分类号
P [天文学、地球科学];
学科分类号
07 ;
摘要
Tidal patterns of the subtropical Paranagua Estuarine Complex, in southern Brazil, are strongly affected by episodic cold fronts and by the coastal geometry and bottom topography, resulting in high temporal variability and marked gradients in flood regime. We delimit tolerance ranges of submersion and exposure for representative plant and animal species from local mangroves and salt marshes, through a quantitative analysis of flooding patterns in three estuarine sectors. Our results are consistent with flood regime being the leading factor on how species are distributed over the intertidal flats of the PEC. Subleading factors might be related to salinity, sediment composition and nutrient flow. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码:11 / 25
页数:15
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