Un lente de islas para la ornitología argentina

Ulises Balza

doi:10.56178/eh.v36i1.383

Puntos de Vista Publicado 01 agosto 2021 https://doi.org/10.56178/eh.v36i1.383

Un lente de islas para la ornitología argentina

Biogeografía de islas fragmentación Isla de los Estados Islas Georgias del Sur Islas Malvinas Tierra del Fuego

Ulises Balza Centro Austral de Investigaciones Científicas (CADIC-CONICET), Bernardo Houssay 200, 9410 Ushuaia, Argentina

Resumen

Muchos ejemplos de importantes procesos ecológicos provienen de sistemas insulares. Esto se debe a su espacio y biodiversidad acotados, y a que usualmente se conoce con detalle su historia geológica y de conexión con continentes. Sin embargo, en Argentina todavía existe un conocimiento rudimentario sobre las aves que dependen parcial o totalmente de ecosistemas insulares. En este trabajo reviso y discuto información ornitológica de los sistemas insulares de Argentina, argumentando que éstos pueden ser prioritarios para futuras investigaciones y acciones de manejo. Conocer la biodiversidad de las islas, sus particularidades y su estado de conservación actual podría ser relevante en el futuro para evitar extinciones locales. Además, las islas pueden constituir refugios de taxones únicos y zonas donde el manejo de especies invasoras puede ser más factible. Por otra parte, el conocimiento sobre la ecología de islas puede ser útil para estudiar y conservar otros ecosistemas, tanto terrestres como acuáticos, lo que resulta de gran relevancia en un paisaje global cada vez más fragmentado.

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Referencias

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Ulises Balza (2021). Un lente de islas para la ornitología argentina. El Hornero, Vol. 36 Núm. 1 (2021), 7-16. https://doi.org/10.56178/eh.v36i1.383

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Licencia: CC BY-NC 4.0

[1] Alunni, D., Vázquez, M., & Zangrando, A. F. (2020). Explotación de guanacos por cazadores-recolectores durante el Holoceno medio en la costa sur de Tierra del Fuego (Argentina). Arqueología, 26, 157-180.

[2] Anderson, C. B., & Rosemond, A. D. (2007). Ecosystem engineering by invasive exotic beavers reduces in-stream diversity and enhances ecosystem function in Cape Horn, Chile. Oecologia, 154, 141-153.

[3] Anderson, C. B., Lencinas, V., Wallem, P. K., Valenzuela, A. E. J., Simanonok, M. P., & Martínez Pastur, G. (2014). Engineering by an invasive species alters landscape-level ecosystem function, but does not affect biodiversity in freshwater systems. Diversity and Distributions, 20, 214-222.

[4] Arcese, P., Smith, J. N. M., Hochachka, W. M., Rogers, C. M., & Ludwig, D. (1992). Stability, regulation, and the determination of abundance in an insular song sparrow population. Ecology, 73, 805-822.

[5] Balza, U., Lois, N. A., Polito, M. J., Putz, K., Salom, A., & Raya Rey, A. (2020). The dynamic trophic niche of an island bird of prey. Ecology and Evolution, 10, 12264-12276.

[6] Balza, U., Lois, N. A., & Raya Rey, A. (2017). Status and Reproductive Outcome of the Breeding Population of Striated Caracaras (Phalcoboenus australis) at Franklin Bay, Staten Island, Argentina. Wilson Journal of Ornithology, 129, 890-898.

[7] Barbe, I. (2020). Manejo de una población exótica invasora en un área protegida: control de gatos (Felis catus) en la Reserva Natural Isla Martín García y su impacto sobre la fauna nativa. Tesis de Licenciatura. Universidad Favaloro, Buenos Aires.

[8] Bravo, C., Chamorro, D., Hiraldo, F., Speziale, K., Lambertucci, S., Tella, J., & Blanco, G. (2020). Physiological dormancy broken by endozoochory: Austral parakeets (Enicognathus ferrugineus) as legitimate dispersers of calafate (Berberis microphylla) in the Patagonian Andes. Journal of Plant Ecology, 13, 538-544.

[9] Bravo, S. P., Cueto, V. R., & Gorosito, C. A. (2017). Migratory timing, rate, routes and wintering areas of White-crested Elaenia (Elaenia albiceps chilensis), a key seed disperser for Patagonian Forest regeneration. PLoS One, 12, e0170188.

[10] Brooke, M. D. L., Bonnaud, E., Dilley, B. J., Flint, E. N., Holmes, N. D., Jones, H. P., & Provost, P. (2016). Seabird population changes following mammal eradications on islands. Animal Conservation, 21, 3-12.

[11] Brown, J. H. (1971). Mammals on mountaintops: nonequilibrium insular biogeography. American Naturalist, 105(467-478).

[12] Buddenhagen, C., & Jewell, K. J. (2006). Invasive plant seed viability after processing by some endemic Galapagos birds. Ornitologia Neotropical, 17(73-80).

[13] Campagna, L., St Clair, J. J. H., Lougheed, S. C., Woods, R. W., Imberti, S., & Tubaro, P. L. (2012). Divergence between passerine populations from the Malvinas-Falkland Islands and their continental counterparts: A comparative phylogeographical study. Biological Journal of the Linnean Society, 106(865-879).

[14] Campagna, L., McCracken, K. G., & Lovette, I. J. (2019). Gradual evolution towards flightlessness in steamer ducks. Evolution, 73(1916-1926).

[15] Carboneras, C., & Kirwan, G. M. (2020). Falkland Steamer-Duck (Tachyeres brachypterus). In: J. del Hoyo, A. Elliott, J. Sargatal, D. A. Christie, & E. de Juana (eds). Birds of the World. Cornell Lab of Ornithology, Ithaca.

[16] Cavallero, L., Ojeda, V., Chaneton, E., Farji-Brener, A. G., Chazarreta, L., Chalcoff, V., Kitzberger, T., Lescano, N., Garibaldi, L., Mazia, N., Caccia, F., Pozzi, C., Trejo, A., & Díaz, S. (2014). Interacciones Complejas. In: Raffaele, E., De Torres Curth, M., Morales, C. L., & Kitzberger, T. (eds). Ecología e historia natural de la Patagonia Andina: un cuarto de siglo de investigación en biogeografía, ecología y conservación. Fundación Félix de Azara, Buenos Aires.

[17] Clark, R. (1984). Notas sobre aves de Península Mitre, Isla Grande de Tierra del Fuego, Argentina. Hornero, 12(212-218).

[18] Clark, R. (1986). Aves de Tierra del Fuego y Cabo de Hornos. LOLA, Buenos Aires.

[19] Darwin, C. (1859). On the origin of species by means of natural selection, or preservation of favoured races in the struggle for life. John Murray, London.

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