نتایج جستجو برای: bird watching 1075

تعداد نتایج: 32021  

Journal: :China Report 2017

Journal: :The Astrophysical Journal 1994

Journal: :Nature Astronomy 2017

Journal: :Nature 1968

2010
Hsiao-I Kuo Chi-Chung Chen Michael McAleer

After a commercial whaling moratorium was enacted in 1986, whale watching became one of the fastest growing tourism industries worldwide. As whaling is regarded as an activity that is incompatible with whale watching, the possible resumption of commercial whaling has caused an urgent need to investigate the potential negative effects of whaling on the whale-watching industry. We examine the pot...

Journal: :British Journal of Psychiatry 2010

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