Ecological regime shift drives declining growth rates of sea turtles throughout the West Atlantic

被引：65

作者：

Bjorndal, Karen A. ^{[1
,2
]}

Bolten, Alan B. ^{[1
,2
]}

Chaloupka, Milani ^{[3
]}

Saba, Vincent S. ^{[4
]}

Bellini, Claudio ^{[5
]}

Marcovaldi, Maria A. G. ^{[6
]}

Santos, Armando J. B. ^{[7
]}

Wurdig Bortolon, Luis Felipe ^{[7
]}

Meylan, Anne B. ^{[8
,9
]}

Meylan, Peter A. ^{[9
,10
]}

Gray, Jennifer ^{[11
]}

Hardy, Robert ^{[8
]}

Brost, Beth ^{[8
]}

Bresette, Michael ^{[12
]}

Gorham, Jonathan C. ^{[12
]}

Connett, Stephen ^{[13
]}

Crouchley, Barbara Van Sciver ^{[13
]}

Dawson, Mike ^{[14
]}

Hayes, Deborah ^{[14
]}

Diez, Carlos E. ^{[15
]}

van Dam, Robert P. ^{[16
]}

Willis, Sue ^{[17
]}

Nava, Mabel ^{[17
]}

Hart, Kristen M. ^{[18
]}

Cherkiss, Michael S. ^{[18
]}

Crowder, Andrew G. ^{[19
]}

Pollock, Clayton ^{[20
]}

Hillis-Starr, Zandy ^{[20
]}

Munoz Teneria, Fernando A. ^{[21
]}

Herrera-Pavon, Roberto ^{[22
]}

Labrada-Martagon, Vanessa ^{[23
]}

Lorences, Armando ^{[24
]}

Negrete-Philippe, Ana ^{[25
]}

Lamont, Margaret M. ^{[26
]}

Foley, Allen M. ^{[27
]}

Bailey, Rhonda ^{[8
]}

Carthy, Raymond R. ^{[28
]}

Scarpino, Russell ^{[29
]}

McMichael, Erin ^{[29
]}

Provancha, Jane A. ^{[30
]}

Brooks, Annabelle ^{[31
]}

Jardim, Adriana ^{[6
]}

Lopez-Mendilaharsu, Milagros ^{[6
]}

Gonzalez-Paredes, Daniel ^{[32
]}

Estrades, Andres ^{[32
]}

Fallabrino, Alejandro ^{[32
]}

Martinez-Souza, Gustavo ^{[32
]}

Velez-Rubio, Gabriela M. ^{[32
]}

Boulon, Ralf H. ^{[33
]}

Collazo, Jaime A. ^{[34
]}

机构：

[1] Univ Florida, Archie Carr Ctr Sea Turtle Res, Gainesville, FL USA

[2] Univ Florida, Dept Biol, Gainesville, FL USA

[3] Univ Queensland, Ecol Modelling Serv Pty Ltd, St Lucia, Qld, Australia

[4] Northeast Fisheries Sci Ctr, Geophys Fluid Dynam Lab, NOAA Natl Marine Fisheries Serv, Princeton, NJ USA

[5] Ctr TAMAR ICMBio CLBI, Parnamirim, RN, Brazil

[6] Fundacao Pro TAMAR, Salvador, BA, Brazil

[7] Fundacao Pro TAMAR, Fernando De Noronha, PE, Brazil

[8] Florida Fish & Wildlife Conservat Commiss, Fish & Wildlife Res Inst, St Petersburg, FL USA

[9] Smithsonian Trop Res Inst, Washington, DC USA

[10] Eckerd Coll, Nat Sci Collegium, St Petersburg, FL 33733 USA

[11] Bermuda Turtle Project, Flatts, Bermuda

[12] Inwater Res Grp, Jensen Beach, FL USA

[13] Family Isl Res & Educ, Newport, RI USA

[14] St Georges Sch, Geronimo Program, Newport, RI USA

[15] DRNA PR, San Juan, PR USA

[16] Chelonia Inc, San Juan, PR USA

[17] Sea Turtle Conservat Bonaire, Kralendijk, Bonaire

[18] US Geol Survey, Wetland & Aquat Res Ctr, Davie, FL USA

[19] NSU Ctr Collaborat Res, Cherokee Nation Technol, Davie, FL USA

[20] Natl Pk Serv, St Croix, VI USA

[21] Univ Autonoma San Luis Potosi, Fac Agr & Vet, St Luis Potosi, Mexico

[22] El Colegio Frontera Sur Unidad Chetumal, Chetmal, Quintana Roo, Mexico

[23] Univ Autonoma San Luis Potosi, Fac Ciencias, San Luis Potosi, Mexico

[24] Direcci Ecol Municipio Solidaridad, Quintana Roo, Mexico

[25] Municipio Solidaridad Playa Carmen, Parque Xcaret, Quintana Roo, Mexico

[26] US Geol Survey, Wetland & Aquat Res Ctr, Gainesville, FL USA

[27] Florida Fish & Wildlife Conservat Commiss, Jacksonville Field Lab, Fish & Wildlife Res Inst, Jacksonville, FL USA

[28] US Geol Survey, Florida Cooperat Fish & Wildlife Res Unit, Gainesville, FL USA

[29] Univ Florida, Dept Wildlife Ecol & Conservat, Florida Cooperat Fish & Wildlife Res Unit, Gainesville, FL USA

[30] Kennedy Space Ctr, Environm Serv, Integrated Miss Support Serv, Titusville, FL USA

[31] Cape Eleuthera Inst, Rock Sound, Eleuthera, Bahamas

[32] Karumbe, Montevideo, Uruguay

[33] Natl Pk Serv, St John, NB, Canada

[34] North Carolina State Univ, Dept Appl Ecol, North Carolina Cooperat Fish & Wildlife Res Unit, US Geol Survey, Raleigh, NC USA

[35] APFFLT CONANP, Campeche, Mexico

[36] Univ Exeter, Ctr Ecol & Conservat, Penryn, Cornwall, England

[37] Marine Conservat Soc, Ross On Wye, Hereford, England

[38] Natl Environm Ctr, Dept Environm & Coastal Resources, Providenciales, Turks & Caicos

[39] Ctr Marine Resource Studies, Sch Field Studies, South Caicos, Turks & Caicos

[40] Texas A&M Univ, Galveston, TX USA

[41] Univ Houston Clear Lake, Environm Inst Houston, Houston, TX USA

[42] Padre Isl Natl Seashore, Corpus Christi, TX USA

[43] Dept Environm, Grand Cayman, Cayman Islands

[44] Univ Exeter, Environm & Sustainabil Inst, Penryn, Cornwall, England

[45] Elbow Reef Lighthouse Soc, Abaco, Bahamas

来源：

GLOBAL CHANGE BIOLOGY | 2017年 / 23卷 / 11期

关键词：

Caretta caretta; Chelonia mydas; ecological regime shifts; Eretmochelys imbricata; multivariate ENSO index; sea surface temperature; seagrass; somatic growth rates; CLIMATE-CHANGE; SOMATIC GROWTH; CONSERVATION IMPLICATIONS; TROPICAL ATLANTIC; CHELONIA-MYDAS; CORAL-REEFS; TEMPERATURE; RECOVERY; OCEAN; PHOTOSYNTHESIS;

D O I：

10.1111/gcb.13712

中图分类号：

X176 [生物多样性保护];

学科分类号：

090705 ;

摘要：

Somatic growth is an integrated, individual-based response to environmental conditions, especially in ectotherms. Growth dynamics of large, mobile animals are particularly useful as bio-indicators of environmental change at regional scales. We assembled growth rate data from throughout the West Atlantic for green turtles, Chelonia mydas, which are long-lived, highly migratory, primarily herbivorous mega-consumers that may migrate over hundreds to thousands of kilometers. Our dataset, the largest ever compiled for sea turtles, has 9690 growth increments from 30 sites from Bermuda to Uruguay from 1973 to 2015. Using generalized additive mixed models, we evaluated covariates that could affect growth rates; body size, diet, and year have significant effects on growth. Growth increases in early years until 1999, then declines by 26% to 2015. The temporal (year) effect is of particular interest because two carnivorous species of sea turtles-hawksbills, Eretmochelys imbricata, and loggerheads, Caretta caretta-exhibited similar significant declines in growth rates starting in 1997 in the West Atlantic, based on previous studies. These synchronous declines in productivity among three sea turtle species across a trophic spectrum provide strong evidence that an ecological regime shift (ERS) in the Atlantic is driving growth dynamics. The ERS resulted from a synergy of the 1997/1998 El Nino Southern Oscillation (ENSO)-the strongest on record-combined with an unprecedented warming rate over the last two to three decades. Further support is provided by the strong correlations between annualized mean growth rates of green turtles and both sea surface temperatures (SST) in the West Atlantic for years of declining growth rates (r = -.94) and the Multivariate ENSO Index (MEI) for all years (r = .74). Granger-causality analysis also supports the latter finding. We discuss multiple stressors that could reinforce and prolong the effect of the ERS. This study demonstrates the importance of region-wide collaborations.

引用

页码：4556 / 4568

页数：13

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