Portal de San Javier
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On Saturday May 5th Campaign ended Bird Banding Island Anse Grosa coinciding with the spring migration.
For 37 days, teams of ringers of the Association of Southeastern Naturalist on the island has remained uninterruptedly to study the migration of birds passing through the Mediterranean Sea.
During this campaign has captured a total of 2179 birds of 46 species.
1913 catches have been ringed birds for the first time while the remaining 266 were for birds already ringed previously.
Of these, two wore foreign ring, a OT Warbler UK and a Pied Flycatcher ringed no less than Russia.
Most of the birds caught were small birds that trans, from wintering sites in Africa, they head to their breeding grounds in central and northern Europe.
The high number of captures and species confirm that Grosa Island is an exceptional place to study migration.
The importance of the island for migratory birds as a resting place adds value to this protected area in addition to already known for its sea bird colonies, your funds submerged or its geological uniqueness.
The presence of researchers from Anse on the island has also contributed to the conservation of these values, as they have avoided human disturbance or poaching and other activities.
The study involved the capture of birds of small and medium size which is placed a metal ring of the Ministry of Environment.
Each of them are given a series of measures are systematically and finally put back into freedom.
The information obtained is stored in a database for further analysis and comparison.
It is the fifth season of banding that makes ANSE Grosa Island during the spring and the fourth in a row.
These data series several years, analyzed together with those of other stations in the Mediterranean, provide insights into the migration of birds and their population trends.
Over the past years have proven to be very valuable to study the effects of climate change on birds.
The study was made possible by the entirely voluntary action and collaborators ANSE banders, who has taken from its own funds the majority of campaign expenses.
It has received authorization from the Directorate General Environment of the Region of Murcia and the Directorate General of Coasts of the Ministry of Agriculture, Food and Environment.
Source: ANSE
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