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A project co-developed by Aves Argentinas and
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Natural grasslands are a key ecosystem and the project aims to conserve its biodiversity as a whole including plants, birds, mammals and other vertebrates to promote agricultural production in healthy environments.

Pilot site map

The project 'Grasslands and Savannas of the Southern Cone of South America: Initiatives for their Conservation in Argentina' co-executed by Aves Argentinas and FVSA is already being developed in four pilot sites: the Aguapey River Basin (Province of Corrientes), San Javier Savanna (Province of Santa Fe), Gualeguaychú Grasslands (Province of Entre Ríos) and Samborombón Bay Grasslands (Province of Buenos Aires).


Aguapey River Basin Pilot Site, Province of Corrientes
Coordinator: Florencia Morales (Bachelor Degree in Environmental Sciences)

Biodiversity and economy:
In the grasslands of the northeastern corner of the Province of Corrientes and the middle and upper Aguapey basin, there are still many species of grassland birds, which are globally threatened. In this area, there are also populations of species emblematic to the Pampas such as the Pampas Deer and Maned Wolf, which have disappeared from vast areas they once roamed. Grassland cattle ranching is the most significant economic activity of the region although, in the last decades, forestry has increased noticeably. As a result, fire control has improved considerably but at the same time valuable species are losing habitat and what impact this change may have is yet unknown.
Endangered species:
Black-masked Finch, Rufous-rumped Seedeater, Chestnut Seedeater, and Marsh Seedeater, Grey-cheeked Grass-finch and Wedge-tailed Grass-finch, Black-and-white Monjita, Yellow-rumped Marshbird, Saffron-cowled Blackbird and Strange-tailed Tyrant

Savannas of the San Javier Site pilot, Province of Santa Fe.
Coordinador: Agronomist Fernando Aiello

Biodiversity and economy:
Situated in the western flood plain of the middle Parana River, the San Javier savannas form a landscape of gullies and extensive thorn forest (Espinal). These wetlands provide the conditions for numerous types of Nearctic migratory shorebirds and Bobolinks, to winter here between October and April. It has been suggested that a large number of bird species use the Paraguay and Paraná river systems as a flight path when migrating south. Rice growingtoday approaching 30,000 hectaresis the most important economic activity in this area but grassland cattle ranching is the most extensive. The disorderly expansion of rice growing could lead to several economic and environmental difficulties in the region. Currently, a real opportunity for ecolabeling of “Pampas’s grassland beef” is being explored with the local cattle ranchers.

Endangered species:
Sickle-winged Nightjar, Upland Sandpiper, Rufous-rumped Seedeater, Bobolink, American Golden-plover, Red-winged Tinamou, Greater Rhea and Buff-breasted Sandpiper.

Grasslands of Gualeguaychú Pilot Site, Province of Entre Ríos.
Coordinador: Agronomist Joaquín Casillo

Biodiversity and economy:

The grasslands of the Gualeguaychú area, Province of Entre Ríos are enclosed by severe modification of the landscape as a result of cash crop farming. Nevertheless, they continue operating as an island of biological biodiversity. From an economic viewpoint, the soybean boom has contributed to a significant rise in the value of land, with an environmental impact caused by short term planning in land management. Such planning, whether individual or regional, still remains a challenge for the sustainable use of grasslands in the region.
Endangered species:
Sickle-winged Nightjar, Marsh Seedeater, Rufous-rumped Seedeater, Chestnut Seedeater, Black-and-white Monjita Greater Rhea, Bearded Tachuri and Saffron-cowled Blackbird.

Bahía de Samborombón Pilot Site Province of Buenos Aires.
Coordinador: Agronomist Pablo Preliasco

Biodiversity and economy:

Located in the coastal region in the center of the province of Buenos Aires and part of the Salado River basin, it is one of the largest areas of natural grasslands for wildlife in the Pampas. Most of the land is used for livestock production (mainly cattle, sheep and horses), and to a lesser degree for agriculture (less than 10% of the lands are suitable