УЧЕБНИКИ
ДЛЯ ВУЗОВ

   
Книжная ученость - украшение, а не фундамент.
Мишель Монтень


Профессиональная литература в Читай-городе!


Учебники для вузов: Новинки



Для связи: info@vuz-uchebniki.ru




высшее образование / учебники для вузов / литература для студентов и педагогов / литература для аспирантов


Jesse Russell

Narwhal


Книга по Требованию, 2013
Страниц: 119
High Quality Content by WIKIPEDIA articles! The narwhal, or narwhale, (Monodon monoceros) is a medium-sized toothed whale that lives year-round in the Arctic. One of two living species of whale in the Monodontidae family, along with the beluga whale, narwhal males are distinguished by a long, straight, helical tusk, actually an elongated upper left canine. Found primarily in Canadian Arctic and Greenlandic waters, rarely south of 65°N latitude, the narwhal is a uniquely specialized Arctic predator. In the winter, it feeds on benthic prey, mostly flatfish, at depths of up to 1500 m under dense pack ice. Narwhals have been harvested for over a thousand years by Inuit people in northern Canada and Greenland for meat and ivory, and a regulated subsistence hunt continues to this day. While populations appear stable, the narwhal is particularly vulnerable to climate change due to a narrow geographical range and specialized diet. Данное издание представляет собой компиляцию сведений,...
Категории каталога:
Экология






Студенту на заметку:
Путин выступает за создание крупных ...


Путин высказался за введение школьной формы