Translocation of trapped Bolivian river dolphins (Inia boliviensis)

The Bolivian river dolphin (Inia boliviensis), locally known as bufeo is an endemic species and categorized as Vulnerable in the Red Book of Vertebrates of Bolivia. Despite the fact that the Bolivian river dolphin is the only cetacean in land-locked Bolivia, knowledge about its conservation status a...

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Veröffentlicht in:The journal of cetacean research and management Jg. 21; H. 1; S. 17 - 23
Hauptverfasser: Aliaga- Rossel, Enzo, Escobar-ww, Mariana
Format: Journal Article
Sprache:Englisch
Veröffentlicht: Cambridge International Whaling Commission 10.09.2020
Schlagworte:
Anthropogenic factors
Aquatic mammals
Cetacea
Conservation status
Environmental degradation
Freshwater mammals
Iniidae
Juveniles
Marine mammals
Rivers
Translocation
Vulnerability
Bolivia
ISSN:1561-0713, 2312-2706, 2312-2692
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Abstract The Bolivian river dolphin (Inia boliviensis), locally known as bufeo is an endemic species and categorized as Vulnerable in the Red Book of Vertebrates of Bolivia. Despite the fact that the Bolivian river dolphin is the only cetacean in land-locked Bolivia, knowledge about its conservation status and vulnerability to anthropogenic actions is extremely deficient. We report on the rescue and translocation of Bolivian river dolphins trapped in a shrinking segment of the Pailas River, Santa Cruz, Bolivia. Anthropogenic activities to alter the landscape and create agricultural land in the area include significant deforestation and irrigation channel construction and are likely to be a contributory factor causing the entrapment of these Bolivian River dolphins. The dolphins were trapped in shallow water in a 1 km section of river. Dry season water levels were rapidly falling and this section of river dried up completely.  We collaborated with several institutions, authorities, and volunteers to translocate 26 Bolivian river dolphins, including calves, juveniles, and pregnant females. The dolphins were captured and transported using well-padded boats and vehicles and released into the Rio Grande. Each dolphin was accompanied by biologists who assured their welfare. No dolphins were injured or died during this process. If habitat degradation continue, it is likely that events in which river dolphins become trapped in South America may happen more frequently in the future.
AbstractList The Bolivian river dolphin (Inia boliviensis), locally known as bufeo is an endemic species and categorized as Vulnerable in the Red Book of Vertebrates of Bolivia. Despite the fact that the Bolivian river dolphin is the only cetacean in land-locked Bolivia, knowledge about its conservation status and vulnerability to anthropogenic actions is extremely deficient. We report on the rescue and translocation of Bolivian river dolphins trapped in a shrinking segment of the Pailas River, Santa Cruz, Bolivia. Anthropogenic activities to alter the landscape and create agricultural land in the area include significant deforestation and irrigation channel construction and are likely to be a contributory factor causing the entrapment of these Bolivian River dolphins. The dolphins were trapped in shallow water in a 1 km section of river. Dry season water levels were rapidly falling and this section of river dried up completely.  We collaborated with several institutions, authorities, and volunteers to translocate 26 Bolivian river dolphins, including calves, juveniles, and pregnant females. The dolphins were captured and transported using well-padded boats and vehicles and released into the Rio Grande. Each dolphin was accompanied by biologists who assured their welfare. No dolphins were injured or died during this process. If habitat degradation continue, it is likely that events in which river dolphins become trapped in South America may happen more frequently in the future.
The Bolivian river dolphin, locally known as the bufeo, is the only cetacean in land-locked Bolivia. Knowledge about its conservation status and vulnerability to anthropogenic actions is extremely deficient. We report on the rescue and translocation of 26 Bolivian river dolphins trapped in a shrinking segment of the Pailas River, Santa Cruz, Bolivia. Several institutions, authorities and volunteers collaborated to translocate the dolphins, which included calves, juveniles, and pregnant females. The dolphins were successfully released into the Río Grande. Each dolphin was accompanied by biologists who assured their welfare. No detectable injuries occurred and none of the dolphins died during this process. If habitat degradation continues, it is likely that events in which river dolphins become trapped in South America may happen more frequently in the future.
Author Escobar-ww, Mariana
Aliaga- Rossel, Enzo
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CitedBy_id crossref_primary_10_1017_S0030605322001557
crossref_primary_10_1371_journal_pone_0308806
crossref_primary_10_1016_j_jnc_2021_126082
crossref_primary_10_3390_jmse9111184
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crossref_primary_10_1002_aqc_3590
crossref_primary_10_1371_journal_pone_0319212
crossref_primary_10_1002_ecy_3724
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Snippet The Bolivian river dolphin (Inia boliviensis), locally known as bufeo is an endemic species and categorized as Vulnerable in the Red Book of Vertebrates of...
The Bolivian river dolphin, locally known as the bufeo, is the only cetacean in land-locked Bolivia. Knowledge about its conservation status and vulnerability...
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StartPage 17
SubjectTerms Anthropogenic factors
Aquatic mammals
Cetacea
Conservation status
Environmental degradation
Freshwater mammals
Iniidae
Juveniles
Marine mammals
Rivers
Translocation
Vulnerability
Title Translocation of trapped Bolivian river dolphins (Inia boliviensis)
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