Results 121 to 130 of about 4,093 (208)

初生北美海牛的心脏

open access: yes野生动物学报, 1993
北美海牛(Trichechus manatus)是一种珍稀的水生哺乳动物,分布在美洲的热带和亚热带水域,以当地水生植物为食物。由于数量稀少,国际自然保护和自然资源联盟将其列为世界濒危动物。本文就初生海牛的胸廓和心脏的形态结构给予报道。这只小海牛因出生时溺水而死、雄性,体长为120厘米。
邱幼祥
doaj  

Investigating the gene expression profiles of rehabilitated Florida manatees (Trichechus manatus latirostris) following red tide exposure. [PDF]

open access: yesPLoS One, 2020
Lazensky R   +9 more
europepmc   +1 more source

Rapid recreation assessment: a tool to assess visitor use and associated impacts at coastal and marine protected areas [PDF]

open access: yes, 2006
As more people discover coastal and marine protected areas as destinations for leisure-time pursuits, the task of managing coastal resources while providing opportunities for high quality visitor experiences becomes more challenging.
Denny, Christine, Fish, Thomas E.
core  

Fall 2005 [PDF]

open access: yes, 2005
https://nsuworks.nova.edu/occ_currents/1020/thumbnail ...
NSU Oceanographic Center
core   +1 more source

Procedures for the salvage and necropsy of the Dugong (Dugong Dugon)-second edition 2007 [PDF]

open access: yes, 2007
This manual provides a detailed guide for dugong (Dugong dugon) carcass handling and necropsy procedures. It is intended to be used as a resource and training guide for anyone involved in dugong incidents including management officers, biologists ...
Beck, C.   +10 more
core  

Spring 2006 [PDF]

open access: yes, 2006
https://nsuworks.nova.edu/occ_currents/1018/thumbnail ...
NSU Oceanographic Center
core   +1 more source

Aerospace medicine and biology: A continuing bibliography with indexes, supplement 184 [PDF]

open access: yes
This bibliography lists 139 reports, articles, and other documents introduced into the NASA scientific and technical information system in August ...

core   +1 more source

北美海牛的繁殖习性

open access: yes野生动物学报, 1990
北美海牛(Trichechus manatus)隶属哺乳纲、海牛目、海牛属。系世界濒危野生动物种类之一,也是世界上适应于海洋生活、以热带、亚热带地区水域中水生植物和水草为其食物来源的大型水生哺乳动物之一。人类饲养海牛有百多年历史,但是,世界上饲养海牛的国家仅有墨西哥、美国、中国、荷兰等少数几个国家。
邱幼祥
doaj  

The marine mammals of the Dutch Caribbean: a comparison between EEZ sectors, contrasts and concerns [PDF]

open access: yes
We here provide a synoptic overview and preliminary update of the marine mammals of the Dutch Caribbean EEZ based on 279 cetacean sighting and stranding records. The Dutch Caribbean EEZ is composed of two distinct sectors.
Debrot, A.O., Scheidat, M., Witte, R.H.
core   +1 more source

Home - About - Disclaimer - Privacy