| 21. | Continuous field surveys, along with 12, 000 camera trapping days, were used to estimate the population size.
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| 22. | In 1999, the World Conservation Union ( IUCN ) conducted a field survey in January and February.
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| 23. | He has worked on many archaeological excavation and field survey projects in Britain and elsewhere in Europe.
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| 24. | After refounding the Archaeological Survey of Ireland in 1963, field surveys began with County Louth in 1965.
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| 25. | Another satellite camp known as East Beaver Creek was located and recorded during the 2009 field survey.
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| 26. | A hand-held UV lamp has long been a standard tool for nocturnal field surveys of these animals.
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| 27. | Field surveys are also conducted in villages and remote areas of Sindh to access the rare articles.
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| 28. | Evidence of logging in progress was also seen during field surveys in 1995 ( Oates, 2006 ).
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| 29. | Modelled range declines in this species due to climate change have recently been confirmed by field surveys.
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| 30. | He was included in an important Color Field survey in 1975 at the Boston Museum of Fine Arts.
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