Assessing tidal marsh resilience to sea-level rise at broad geographic scales with multi-metric indices

被引：78

作者：

Raposa, Kenneth B. ^{[1
]}

Wasson, Kerstin ^{[2
]}

Smith, Erik ^{[3
]}

Crooks, Jeffrey A. ^{[4
]}

Delgado, Patricia ^{[5
]}

Fernald, Sarah H. ^{[6
]}

Ferner, Matthew C. ^{[7
]}

Helms, Alicia ^{[8
]}

Hice, Lyndie A. ^{[9
]}

Mora, Jordan W. ^{[10
]}

Puckett, Brandon ^{[11
]}

Sanger, Denise ^{[12
]}

Shull, Suzanne ^{[13
]}

Spurrier, Lindsay ^{[14
]}

Stevens, Rachel ^{[15
]}

Lerberg, Scott ^{[16
]}

机构：

[1] Narragansett Bay Natl Estuarine Res Reserve, 55 South Reserve Dr, Prudence Island, RI 02872 USA

[2] Elkhorn Slough Natl Estuarine Res Reserve, 1700 Elkhorn Rd, Watsonville, CA 95076 USA

[3] North Inlet Winyah Bay Natl Estuarine Res Reserve, POB 1630, Georgetown, SC 29442 USA

[4] Tijuana River Natl Estuarine Res Reserve, 301 Caspian Way, Imperial Beach, CA 91932 USA

[5] Jug Bay Wetlands Sanctuary, 1361 Wrighton Rd, Lothian, MD 20711 USA

[6] Hudson River Natl Estuarine Res Reserve, 256 Norrie Point Way,POB 315, Staatsburg, NY 12580 USA

[7] San Francisco Bay Natl Estuarine Res Reserve, 3152 Paradise Dr, Tiburon, CA 94920 USA

[8] South Slough Natl Estuarine Res Reserve, POB 5417, Charleston, OR 97420 USA

[9] Delaware Natl Estuarine Res Reserve, 818 Kitts Hummock Rd, Dover, DE 19901 USA

[10] Waquoit Bay Natl Estuarine Res Reserve, 131 Waquoi Hwy, Woods Hole, MA 02536 USA

[11] North Carolina Natl Estuarine Res Reserve, 101 Pivers Isl Rd, Beaufort, NC 28516 USA

[12] ACE Basin Natl Estuarine Res Reserve, 217 Ft Johnson Rd, Charleston, SC 29412 USA

[13] Padilla Bay Natl Estuarine Res Reserve, 10441 Bayview Edison Rd, Mt Vernon, WA 98273 USA

[14] Grand Bay Natl Estuarine Res Reserve, Mississippi Dept Marine Resources, 6005 Bayou Heron Rd, Moss Point, MS 39562 USA

[15] Great Bay Natl Estuarine Res Reserve, 89 Depot Rd, Greenland, NH 03840 USA

[16] Virginia Inst Marine Sci, Chesapeake Bay Natl Estuarine Res Reserve Virgini, 1375 Create Road, Gloucester Point, VA 23062 USA

来源：

BIOLOGICAL CONSERVATION | 2016年 / 204卷

关键词：

Assessment; Index; Marsh; National Estuarine Research Reserve System (NERRS); Resilience; Sea-level rise; COASTAL WETLAND VULNERABILITY; SALT-MARSH; CLIMATE-CHANGE; MULTIMETRIC INDEXES; DIE-OFF; ECOSYSTEMS; RESPONSES; HABITATS; IMPACTS; CO2;

D O I：

10.1016/j.biocon.2016.10.015

中图分类号：

X176 [生物多样性保护];

学科分类号：

090705 ;

摘要：

Tidal marshes and the ecosystem services they provide may be at risk from sea-level rise (SLR). Tidal marsh resilience to SLR can vary due to differences in local rates of SLR, geomorphology, sediment availability and other factors. Understanding differences in resilience is critical to inform coastal management and policy, but comparing resilience across marshes is hindered by a lack of simple, effective analysis tools. Quantitative, multi-metric indices are widely employed to inform management of benthic aquatic ecosystems, but not coastal wetlands. Here, we develop and apply tidal marsh resilience to sea-level rise (MARS) indices incorporating ten metrics that contribute to overall marsh resilience to SLR. We applied MARS indices to tidal marshes at 16 National Estuarine Research Reserves across the conterminous U.S. This assessment revealed moderate resilience overall, although nearly all marshes had some indication of risk. Pacific marshes were generally more resilient to SLR than Atlantic ones, with the least resilient marshes found in southern New England. We provide a calculation tool to facilitate application of the MARS indices to additional marshes. MARS index scores can inform the choice of the most appropriate coastal management strategy for a marsh: moderate scores call for actions to enhance resilience while low scores suggest investment may be better directed to adaptation strategies such as creating opportunities for marsh migration rather than attempting to save existing marshes. The MARS indices thus provide a powerful new approach to evaluate tidal marsh resilience and to inform development of adaptation strategies in the face of SLR. (C) 2016 The Authors. Published by Elsevier Ltd.

引用

页码：263 / 275

页数：13

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