Aporte de N y P a través de los excrementos en las colonias de cría de la gaviota patiamarilla (Larus michahellis) en el Parque Nacional Marítimo Terrestre de las Islas Atlánticas de Galicia
- Saúl de la Peña-Lastra 1
- Xosé Lois Otero Pérez 1
- Augusto Pérez-Alberti 1
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1
Universidade de Santiago de Compostela
info
Editorial: Sociedade Portuguesa da Ciência do Solo (SPCS)
ISBN: 978-989-99665-0-5
Ano de publicación: 2016
Páxinas: 351-354
Tipo: Capítulo de libro
Resumo
The Maritime Terrestrial Atlantic Islands of Galicia National Park has the largest colony of yellow-legged gull (La- rus michahellis) in the world. In addition there are communities and fragile plant species for their rarity or ende- micity. To know the impact that this species produced in different areas of the National Park, we studied the dis- tribution of the amount of N and P excreted. In the Park, gulls produce 5.35 t N / year and 3.35 t P / year. The most affected areas are: Lagos (Sálvora), Vionta (Sálvora) and Vapor (Monteagudo Island, Cíes). However, the place that will need a more detailed monitoring is Muxieiro (Monteagudo Island, Cíes), which represents the stretch of sandy coastline of most interest around the park. Locally, gull droppings are the most important source of nutrients. Eutrophication generate the droppings should be taken into account for the conservation of protected species endemism and the National Park.