Encountering whales: How encounter rates became the basis for managing whaling

Declining rates of encountering whales, including both sighting and catching, were noted by whalers throughout the 19th century, and these declines became the first indication that whaling was adversely affecting whale abundance. The interpretation of declines in both sighting and catch rates proved...

Бүрэн тодорхойлолт

Номзүйн дэлгэрэнгүй

Үндсэн зохиолч:	Tim D Smith
Формат:	Artigo
Хэл сонгох:	Inglês
Хэвлэсэн:	Septentrio Academic Publishing 2009-09-01
Цуврал:	NAMMCO Scientific Publications
Нөхцлүүд:	surveys whales encounter rates management whaling
Онлайн хандалт:	https://septentrio.uit.no/index.php/NAMMCOSP/article/view/2715
Шошгууд:	Шошго нэмэх Шошго байхгүй, Энэхүү баримтыг шошголох эхний хүн болох!