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Krahl-Urban, Bernhard
3
Ulrich, B.
3
Deigele, C.
2
Droescher, F.
2
Kalan, J.
2
Kollert, R.
2
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Matzner, E.
2
Papke, H. E.
2
Preuhsler, T.
2
Schönwitz, R.
2
Tisler, V.
2
Wellburn, Alan R.
2
Ziegler, H.
2
Adriano, Domy C.
1
Ammer, Ulrich
1
Anders, Siegfried
1
Baumann, K.
1
Baumann, Peter.
1
Baumbach, G.
1
Baumgarten, R.
1
Behrend, R.
1
Berg, Björn.
1
Bossel, H.
1
Brown, Paige.
1
Burauel, Peter.
1
Butin, Heinz.
1
Bäumler, Alfred
1
Dargavel, John.
1
Denich, M.
1
Dittrich, B.
1
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forest decline
121
ecosystem
24
forestry
19
air pollution
15
environmental pollution
9
soil pollution
9
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tropics
9
climatic change
8
soil acidity
8
climatology
7
ecology
7
acid rain
6
climatic effect
6
environmental impact
6
forest
6
soil chemistry
6
soil protection
6
climatic impact
5
environmental chemistry
5
global warming
5
ozone
5
pollution control
5
soil microbiology
5
soil science
5
air quality
4
atmospheric deposition
4
environmental balance
4
environmental biology
4
environmental program
4
environmental protection
4
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LWV - Agriculture - plant protection
57
UMRC - Effects of air pollution on plants and animals
23
LCM - Terrestrial ecology
16
UMT - Acid rain and atmospheric deposition
12
LWE - Agriculture - general aspects
11
UMR - Effects of air pollution
10
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LCL - Biotopes, ecosystems
8
UCA - Environmental problems, man and environment - general aspects
8
UMV - Climatic change
7
URA - Soil chemistry
7
GPAB - Flora, vegetation - geographical aspects
6
UCE - Environmental impact, environmental pollution
6
UCG - Control of environmental pollution
5
UHP - Protection of nature and landscape
5
UCL - Environmental research
4
UMN - Air pollution control and measurement
4
LCK - Ecology - general aspects
3
LEN - Plant physiology
3
LWH - Agriculture - soil sciences
3
UMB - Atmospheric chemistry
3
UMK - Air pollution - general aspects
3
UML - Air pollution by special sources
3
GUA - Geography - general
2
LCH - Ecology - methods
2
LEM - Botany - anatomy, morphology
2
LET - Phytopathology
2
LWVA - Plant disease
2
UCEB - Environmental pollution
2
UCS - Environmental chemistry
2
UHCD - Parks and recreation areas
2
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