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EFFECTS OF ZINC ON JUVENILE ATLANTIC SALMON SALMO-SALAR - ACUTE TOXICITY, FOOD-INTAKE, GROWTH AND BIOACCUMULATION
被引:38
作者
:
FARMER, GJ
论文数:
0
引用数:
0
h-index:
0
机构:
ENVIRONM PROTECT SERV ATLANTIC REG, DIV LAB SERV, HALIFAX B3J 1M5, NS, CANADA
ENVIRONM PROTECT SERV ATLANTIC REG, DIV LAB SERV, HALIFAX B3J 1M5, NS, CANADA
FARMER, GJ
[
1
]
ASHFIELD, D
论文数:
0
引用数:
0
h-index:
0
机构:
ENVIRONM PROTECT SERV ATLANTIC REG, DIV LAB SERV, HALIFAX B3J 1M5, NS, CANADA
ENVIRONM PROTECT SERV ATLANTIC REG, DIV LAB SERV, HALIFAX B3J 1M5, NS, CANADA
ASHFIELD, D
[
1
]
SAMANT, HS
论文数:
0
引用数:
0
h-index:
0
机构:
ENVIRONM PROTECT SERV ATLANTIC REG, DIV LAB SERV, HALIFAX B3J 1M5, NS, CANADA
ENVIRONM PROTECT SERV ATLANTIC REG, DIV LAB SERV, HALIFAX B3J 1M5, NS, CANADA
SAMANT, HS
[
1
]
机构
:
[1]
ENVIRONM PROTECT SERV ATLANTIC REG, DIV LAB SERV, HALIFAX B3J 1M5, NS, CANADA
来源
:
ENVIRONMENTAL POLLUTION
|
1979年
/ 19卷
/ 02期
关键词
:
D O I
:
10.1016/0013-9327(79)90142-3
中图分类号
:
X [环境科学、安全科学];
学科分类号
:
08 ;
0830 ;
摘要
:
The effects of long-term zinc exposure on juvenile salmon were assessed by measuring changes in their voluntary food intake, growth and rate of zinc accumulation. The food intake of salmon surviving concentrations as great as the 21-day LC50 was initially reduced but returned to amounts observed for control fish within 10 to 20 days. After 45 days' exposure, the food intake of these individuals was greater than that of the controls. Growth rates of salmon exposed to zinc (maximum concentration estimated to cause mortality ≤50% during an acute bioassay) and offered rations of 2.0 or 3.5% dry body weight per day were not reduced during a three-month period. However, caloric content of salmon at the higher concentrations showed a small decrease during the experimental period. Zinc concentration of salmon feeding to satiation once daily and exposed to zinc increased during the first two months of exposure before reaching a maximum, while zinc concentration of salmon offered sub-excess rations (2.0 and 3.5% per day) increased linearly during a three-month period. © 1979.
引用
收藏
页码:103 / 117
页数:15
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MECHANISM OF EFFECTS OF WATER HARDNESS ON LETHALITY OF HEAVY-METALS TO FISH
ZITKO, V
论文数:
0
引用数:
0
h-index:
0
机构:
CANADA DEPT ENVIRONM,BIOL STN,ST ANDREWS E0G 2X0,NEW BRUNSWICK,CANADA
CANADA DEPT ENVIRONM,BIOL STN,ST ANDREWS E0G 2X0,NEW BRUNSWICK,CANADA
ZITKO, V
CARSON, WG
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0
引用数:
0
h-index:
0
机构:
CANADA DEPT ENVIRONM,BIOL STN,ST ANDREWS E0G 2X0,NEW BRUNSWICK,CANADA
CANADA DEPT ENVIRONM,BIOL STN,ST ANDREWS E0G 2X0,NEW BRUNSWICK,CANADA
CARSON, WG
[J].
CHEMOSPHERE,
1976,
5
(05)
: 299
-
303
[32]
1973, EPS5AR7312 ENV PROT
[33]
1973, 21 FOOD AGR ORG UN T
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共 33 条
[31]
MECHANISM OF EFFECTS OF WATER HARDNESS ON LETHALITY OF HEAVY-METALS TO FISH
ZITKO, V
论文数:
0
引用数:
0
h-index:
0
机构:
CANADA DEPT ENVIRONM,BIOL STN,ST ANDREWS E0G 2X0,NEW BRUNSWICK,CANADA
CANADA DEPT ENVIRONM,BIOL STN,ST ANDREWS E0G 2X0,NEW BRUNSWICK,CANADA
ZITKO, V
CARSON, WG
论文数:
0
引用数:
0
h-index:
0
机构:
CANADA DEPT ENVIRONM,BIOL STN,ST ANDREWS E0G 2X0,NEW BRUNSWICK,CANADA
CANADA DEPT ENVIRONM,BIOL STN,ST ANDREWS E0G 2X0,NEW BRUNSWICK,CANADA
CARSON, WG
[J].
CHEMOSPHERE,
1976,
5
(05)
: 299
-
303
[32]
1973, EPS5AR7312 ENV PROT
[33]
1973, 21 FOOD AGR ORG UN T
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