Portal de San Javier
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See photo essay:
http://www.murcia.com/sanjavier/fotos/la-manga-isla-grosa/
The Ministry of Sustainable Development and Planning will invest 2 billion euros over the next 6 years to preserve the rich biodiversity of Isla Grossa.
This is provided in this Management Plan Special Protection Area (SPA) that this morning the Minister Benito Mercader.
This Plan provides scientific research and monitoring, habitat management, public use management and monitoring as well as environmental education and awareness measures.
Merchant said that "the different jobs run the regional government in Grosa Island since 2000 have gone the third prevented the world's largest colony of Audouin's gull, a threatened species and that in recent years is recovering in nine colonies that exist in Spain for this species. "
Recovery and consolidation of Grosa Island as the third largest breeding colony of Audouin's gull (Larus audouinii), with 260 pairs counted this year, was due to jobs, most notably developed the Life-Nature project in 2004-2007 participating as co-ordinating partner of the Association of Naturalists in the Southeast, which provided for biological monitoring of endangered bird colonies.
This work is done in coordination with the Valencian and Catalan governments, which are also benefiting from a Life-Nature project.
The investment, which exceeds € 250,000, covers the rehabilitation and refurbishment of former military facilities to house a center for scientific studies and monitoring, as well as a bird observatory and various infrastructures (permanent center for monitoring and maintenance, dock, warehouse , and a cistern) to develop research and monitoring work in the SPA.
Regarding the draft of Audouin's gull 290,000 euros are being invested to date.
"This infrastructure has facilitated the work of scientists and the various tasks of protecting the biodiversity of this rich haven for birds.
Between measures to protect the Audouin's gull is the control of the population of yellow-legged gull, a species that had just competing with the nests of Larus audouinii and has stabilized at 1,500 couples, or the removal of invasive plant species, that hindered the nesting "Merchant said.
Highlight outreach work to raise awareness of the ecological value of the island, through conference by environmental agents aimed at visitors to the environment, schools and fishermen's associations.
In addition, we have written important studies on the breeding habits and food of Audouin's gull, which, contrary to what was believed to depend less on the discards of the trawling fleet, and the purse-seine fishing, feeding the content of their networks.
The monitoring of species allowed to see the importance of Grosa Island as a transit point for migrant birds.
Finally note that the banding campaigns have served to verify that the population of this species on the island fluctuates because the samples change to other Mediterranean breeding areas and accounted for 800 couples last year in the Region.
Surveillance and control
One of the main threats to the colony of Audouin's gulls and other birds in the SPA Grosa Island, was the arrival of ships and vacationers.
For this reason, the Ministry of Sustainable Development established a 'Buffer Zone Marina', consisting of a strip of 300 meters.
wide perimeter surrounding the island emerged from Gros and Farallon.
As bands that surround both non-overlapping geographic features, the 'Buffer Zone Marina' is composed of two sub-areas that leave between them a passage of free navigation.
Benito Mercader said that "to avoid damage to biodiversity that may result in the uncontrolled human presence on the island, has established an important watchdog.
In fact, the Plan of Management sets Grosa Island SPA zoning of the SPA, with a reserve area with maximum protection, their uses and activities being limited to the surveillance and investigation, and a marine buffer zone where you can fish or dive, always with the consent and only on certain dates.
Isla Grossa
The SPA Grosa Island, which coincides with the physical (land) Grosa Island and the small island of Farallon, belongs to the municipality of San Javier and has a total area of 17.18 hectares, and until 2000 was used for military purposes.
With its declaration as SPAs were transferred to the Autonomous Region for activities related to management and environmental conservation.
In addition to colonies of Audouin's gull and seagulls, there are other bird species that enhance the natural wealth of the island between seabirds can cite the European petrel (Hydrobates pelagicus), with ten pairs of Cory's Shearwater ( Calonectris diomedea) and shag (Phalacrocolax aristotelis) and nest on the cliffs the Pallid Swift (Apus pallidus) and Peregrine Falcon (Falco peregrinus) has had a baby recently.
Other waterfowl can be seen on the island are the Little Egret (Egretta garzetta), the Cattle Egret (Bubulcus ibis) or Shelduck (Tadorna Tadorna).
The bush of the island provides shelter for small passerines that breed on the island, as the Sardinian warbler (Sylvia melanocephala), or pass on their migration in spring or autumn, as the Warbler (Phylloscopus trochilus), the Pied Flycatcher (Ficedula hypoleuca), the Redstart (Phoenicurus Phoenicurus), the European Robin (Erithacus rubecula) and the garden warbler (Sylvia borin).
Also, in their migration, they pass other birds resting on the rocks on the shore, such as Kingfisher (Alcedo atthis), the Whimbrel (Numenius phaeopus) or the Common Tern (Sterna hirundo).
See photo essay:
http://www.murcia.com/sanjavier/fotos/la-manga-isla-grosa/
Source: CARM
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