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Your search keyword '"Villegas-Amtmann S"' showing total 3 results
Start Over Author "Villegas-Amtmann S" Publisher national academy of sciences
3 results on '"Villegas-Amtmann S"'

1. Convergence of marine megafauna movement patterns in coastal and open oceans

Author

Sequeira, AMM, Rodríguez, JP, Eguíluz, VM, Harcourt, R, Hindell, M, Sims, DW, Duarte, CM, Costa, DP, Fernández-Gracia, J, Ferreira, LC, Hays, Graeme C, Heupel, MR, Meekan, MG, Aven, A, Bailleul, F, Baylis, AMM, Berumen, ML, Braun, CD, Burns, J, Caley, MJ, Campbell, R, Carmichael, RH, Clua, E, Einoder, LD, Friedlaender, A, Goebel, ME, Goldsworthy, SD, Guinet, C, Gunn, J, Hamer, D, Hammerschlag, N, Hammill, M, Hückstädt, LA, Humphries, NE, Lea, M-A, Lowther, A, Mackay, A, McHuron, E, McKenzie, J, McLeay, L, McMahon, CR, Mengersen, K, Muelbert, MMC, Pagano, AM, Page, B, Queiroz, N, Robinson, PW, Shaffer, SA, Shivji, M, Skomal, GB, Thorrold, SR, Villegas-Amtmann, S, Weise, M, Wells, R, Wetherbee, B, Wiebkin, A, Wienecke, B, Thums, M, Sequeira, AMM, Rodríguez, JP, Eguíluz, VM, Harcourt, R, Hindell, M, Sims, DW, Duarte, CM, Costa, DP, Fernández-Gracia, J, Ferreira, LC, Hays, Graeme C, Heupel, MR, Meekan, MG, Aven, A, Bailleul, F, Baylis, AMM, Berumen, ML, Braun, CD, Burns, J, Caley, MJ, Campbell, R, Carmichael, RH, Clua, E, Einoder, LD, Friedlaender, A, Goebel, ME, Goldsworthy, SD, Guinet, C, Gunn, J, Hamer, D, Hammerschlag, N, Hammill, M, Hückstädt, LA, Humphries, NE, Lea, M-A, Lowther, A, Mackay, A, McHuron, E, McKenzie, J, McLeay, L, McMahon, CR, Mengersen, K, Muelbert, MMC, Pagano, AM, Page, B, Queiroz, N, Robinson, PW, Shaffer, SA, Shivji, M, Skomal, GB, Thorrold, SR, Villegas-Amtmann, S, Weise, M, Wells, R, Wetherbee, B, Wiebkin, A, Wienecke, B, and Thums, M

Published
2018

2. Convergence of marine megafauna movement patterns in coastal and open oceans

Author

Sequeira, A. M.M., Rodríguez, J. P., Eguíluz, V. M., Harcourt, R., Hindell, M., Sims, D. W., Duarte, C. M., Costa, D. P., Fernández-Gracia, J., Ferreira, L. C., Hays, G. C., Heupel, M. R., Meekan, M. G., Aven, A., Bailleul, F., Baylis, A. M.M., Berumen, M. L., Braun, C. D., Burns, J., Caley, M. J., Campbell, R., Carmichael, R. H., Clua, E., Einoder, L. D., Friedlaender, Ari, Goebel, M. E., Goldsworthy, S. D., Guinet, C., Gunn, J., Hamer, D., Hammerschlag, N., Hammill, M., Hückstädt, L. A., Humphries, N. E., Lea, M. A., Lowther, A., Mackay, A., McHuron, E., McKenzie, J., McLeay, L., McMahon, C. R., Mengersen, K., Muelbert, M. M.C., Pagano, A. M., Page, B., Queiroz, N., Robinson, P. W., Shaffer, S. A., Shivji, M., Skomal, G. B., Thorrold, S. R., Villegas-Amtmann, S., Weise, M., Wells, R., Wetherbee, B., Wiebkin, A., Wienecke, B., Thums, M., Sequeira, A. M.M., Rodríguez, J. P., Eguíluz, V. M., Harcourt, R., Hindell, M., Sims, D. W., Duarte, C. M., Costa, D. P., Fernández-Gracia, J., Ferreira, L. C., Hays, G. C., Heupel, M. R., Meekan, M. G., Aven, A., Bailleul, F., Baylis, A. M.M., Berumen, M. L., Braun, C. D., Burns, J., Caley, M. J., Campbell, R., Carmichael, R. H., Clua, E., Einoder, L. D., Friedlaender, Ari, Goebel, M. E., Goldsworthy, S. D., Guinet, C., Gunn, J., Hamer, D., Hammerschlag, N., Hammill, M., Hückstädt, L. A., Humphries, N. E., Lea, M. A., Lowther, A., Mackay, A., McHuron, E., McKenzie, J., McLeay, L., McMahon, C. R., Mengersen, K., Muelbert, M. M.C., Pagano, A. M., Page, B., Queiroz, N., Robinson, P. W., Shaffer, S. A., Shivji, M., Skomal, G. B., Thorrold, S. R., Villegas-Amtmann, S., Weise, M., Wells, R., Wetherbee, B., Wiebkin, A., Wienecke, B., and Thums, M.

Abstract

The extent of increasing anthropogenic impacts on large marine vertebrates partly depends on the animals' movement patterns. Effective conservation requires identification of the key drivers of movement including intrinsic properties and extrinsic constraints associated with the dynamic nature of the environments the animals inhabit. However, the relative importance of intrinsic versus extrinsic factors remains elusive. We analyze a global dataset of ∼2.8 million locations from <2, 600 tracked individuals across 50 marine vertebrates evolutionarily separated by millions of years and using different locomotion modes (fly, swim, walk/paddle). Strikingly, movement patterns show a remarkable convergence, being strongly conserved across species and independent of body length and mass, despite these traits ranging over 10 orders of magnitude among the species studied. This represents a fundamental difference between marine and terrestrial vertebrates not previously identified, likely linked to the reduced costs of locomotion in water. Movement patterns were primarily explained by the interaction between species-specific traits and the habitat(s) they move through, resulting in complex movement patternswhenmoving close to coasts compared with more predictable patterns when moving in open oceans. This distinct difference may be associated with greater complexity within coastal microhabitats, highlighting a critical role of preferred habitat in shaping marine vertebrate global movements. Efforts to develop understanding of the characteristics of vertebrate movement should consider the habitat(s) through which they move to identify how movement patterns will alter with forecasted severe ocean changes, such as reduced Arctic sea ice cover, sea level rise, and declining oxygen content.

Published
2018

3. Convergence of marine megafauna movement patterns in coastal and open oceans.

Author

Sequeira AMM, Rodríguez JP, Eguíluz VM, Harcourt R, Hindell M, Sims DW, Duarte CM, Costa DP, Fernández-Gracia J, Ferreira LC, Hays GC, Heupel MR, Meekan MG, Aven A, Bailleul F, Baylis AMM, Berumen ML, Braun CD, Burns J, Caley MJ, Campbell R, Carmichael RH, Clua E, Einoder LD, Friedlaender A, Goebel ME, Goldsworthy SD, Guinet C, Gunn J, Hamer D, Hammerschlag N, Hammill M, Hückstädt LA, Humphries NE, Lea MA, Lowther A, Mackay A, McHuron E, McKenzie J, McLeay L, McMahon CR, Mengersen K, Muelbert MMC, Pagano AM, Page B, Queiroz N, Robinson PW, Shaffer SA, Shivji M, Skomal GB, Thorrold SR, Villegas-Amtmann S, Weise M, Wells R, Wetherbee B, Wiebkin A, Wienecke B, and Thums M

Subjects
Animals, Ecosystem, Animal Migration, Databases, Factual, Oceans and Seas, Vertebrates
Abstract

The extent of increasing anthropogenic impacts on large marine vertebrates partly depends on the animals' movement patterns. Effective conservation requires identification of the key drivers of movement including intrinsic properties and extrinsic constraints associated with the dynamic nature of the environments the animals inhabit. However, the relative importance of intrinsic versus extrinsic factors remains elusive. We analyze a global dataset of ∼2.8 million locations from >2,600 tracked individuals across 50 marine vertebrates evolutionarily separated by millions of years and using different locomotion modes (fly, swim, walk/paddle). Strikingly, movement patterns show a remarkable convergence, being strongly conserved across species and independent of body length and mass, despite these traits ranging over 10 orders of magnitude among the species studied. This represents a fundamental difference between marine and terrestrial vertebrates not previously identified, likely linked to the reduced costs of locomotion in water. Movement patterns were primarily explained by the interaction between species-specific traits and the habitat(s) they move through, resulting in complex movement patterns when moving close to coasts compared with more predictable patterns when moving in open oceans. This distinct difference may be associated with greater complexity within coastal microhabitats, highlighting a critical role of preferred habitat in shaping marine vertebrate global movements. Efforts to develop understanding of the characteristics of vertebrate movement should consider the habitat(s) through which they move to identify how movement patterns will alter with forecasted severe ocean changes, such as reduced Arctic sea ice cover, sea level rise, and declining oxygen content., Competing Interests: The authors declare no conflict of interest.

Published
2018
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