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马克思主义、列宁主义、毛泽东思想、邓小平理论(2)
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在“
自然资源管理
”中,
命中:
6
条,耗时:小于0.01 秒
1.
Food
webs
of the Paran谩 River floodplain: Assessing basal sources using stable carbon and nitrogen isotopes
作者:
Mercedes Rosa Marchesea
;
b
;
mmarchese@inali.unl.edu.ar" class="auth_mail
;
mercedes.marchese@gmail.com" class="auth_mail
;
Miguel Saigoa
;
Florencia Lucila Zillia
;
Soledad Capelloa
;
Melina Devercellia
;
Luciana Montaltoa
;
b
;
Graciela Paporelloa
;
Karl Matthias Wantzenc
关键词:
Carbon sources
;
Detritivores
;
Herbivores
;
Isotopic niche
;
Benthic&ndash
;
pelagic
food
webs
刊名:Limnologica - Ecology and Management of Inland Waters
年:March, 2014
2.
Ecological tracers track changes in bird diets and possible routes of exposure to Type E Botulism
作者:
C.E. Heberta
;
craig.hebert@ec.gc.ca" class="auth_mail
;
J. Chaob
;
D. Crumpa
;
T.B. Johnsonc
;
M.D. Rudyb
;
E. Sverkob
;
K. Williamsa
;
D. Zarukb
;
M.T. Artsb
;
d
关键词:
Polymethylene-interrupted fatty acids
;
Stable isotopes
;
Dreissenid mussels
;
Round goby
;
Type E Botulism
;
Benthic/
pelagic
food
webs
刊名:Journal of Great Lakes Research
年:March, 2014
3.
Habitat partitioning and vulnerability of sharks in the Great Barrier Reef Marine Park
作者:
Daniela M. Ceccarelli (1) Ashley J. Frisch (2) Nicholas A. J. Graham (2) Anthony M. Ayling (3) Maria Beger (4)
关键词:
Elasmobranchs
;
Great Barrier Reef
;
Shark fisheries
;
Food
webs
;
Top
;
down control
;
Apex predators
刊名:Reviews in Fish Biology and Fisheries
年:2014
4.
Benthos as the basis for arctic lake
food
webs
作者:
Michael E. Sierszen
;
Michael E. McDonald and Douglas A. Jensen
关键词:
Food
webs
;
Oligotrophy
;
Stable isotopes
;
Trophic structure
刊名:Aquatic Ecology
出版者:Springer Netherlands
年:2003
5.
Conservation of biodiversity of the coastal resources of Sundarbans, Northeast India: an integrated approach through environmental education
作者:
Sarkar
;
Santosh Kumar
;
Bhattacharya
;
Asok Kumar
关键词:
Conservation
;
Sustainable development
;
Coastal zone
;
Penaeus monodon
;
Sundarbans
;
India
;
Environmental education
;
Public awareness
刊名:Marine Pollution Bulletin
年:2003
6.
Apparent changes in the trophic composition of world marine harvests: the perspective from the FAO capture database
作者:
Caddy
;
John F.
;
et. al.
刊名:Ocean and Coastal Management
年:2000
1
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