Mammals in the Seas, Vol. 1. Report of the FAO ACMRR working party on marine mammals. FAO.
نویسندگان
چکیده
منابع مشابه
The impacts of anthropogenic sound on marine mammals in the Persian Gulf; current status and need for future research
Abstract Sound generating human activities so-called “anthropogenic sound” have increased ambient sound levels considerably in aquatic habitats that are markedly diverse in time and space. Sound generating human activities is now recognized as a potential driver of environmental changes in marine habitats. Iran has 750 km coastline along the Caspian Sea located in the north and around 2250 km ...
متن کاملThe mammals of Anzali Wetland, in the Southern Caspian Sea
Anzali Wetland as a listed habitat in Montreux Record, was investigated for the mammal fauna during Jan. 2015 - Jan. 2016. About 165 km of water bodies and 200 km around Anzali Wetland were patrolled, respectively. By applying different methods, such as direct observation, different signs recording, using different sampling traps, nets and camera traps, twenty mammal species were identified fro...
متن کاملthe effect of taftan pozzolan on the compressive strength of concrete in the environmental conditions of oman sea (chabahar port)
cement is an essential ingredient in the concrete buildings. for production of cement considerable amount of fossil fuel and electrical energy is consumed. on the other hand for generating one tone of portland cement, nearly one ton of carbon dioxide is released. it shows that 7 percent of the total released carbon dioxide in the world relates to the cement industry. considering ecological issu...
the washback effect of discretepoint vs. integrative tests on the retention of content in knowledge tests
در این پایان نامه تاثیر دو نوع تست جزیی نگر و کلی نگر بر به یادسپاری محتوا ارزیابی شده که نتایج نشان دهندهکارایی تستهای کلی نگر بیشتر از سایر آزمونها است
15 صفحه اولDiets of marine mammals stranded on the
Stomach contents from 59 marine mammals, 28 Delphinus delphis, 14 Tursiops truncatus, three Grampus griseus, four Stenella coeruleoalba, three Globicephala melas, one Ziphius cavirostris, four Phocoena phocoena, one Physeter macrocephalus and one Balaenoptera acutorostrata stranded on the northwestern Spanish Atlantic coast from December 1990 to March 1993 were examined. A total of 9076 fish ot...
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ژورنال
عنوان ژورنال: Oryx
سال: 1979
ISSN: 0030-6053,1365-3008
DOI: 10.1017/s003060530002442x