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150325s1995 xx |||||o 00| ||eng c |
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|a (DE-627)JST083731725
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|a (JST)30054412
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Kantak, Gail E.
|e verfasserin
|4 aut
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| 245 |
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|a Terrestrial Plant Communities of the Middle Niobrara Valley, Nebraska
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| 264 |
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|c 1995
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| 336 |
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|a Text
|b txt
|2 rdacontent
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| 337 |
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|a Computermedien
|b c
|2 rdamedia
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|a Online-Ressource
|b cr
|2 rdacarrier
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|a The middle reach of the Niobrara River Valley in north-central Nebraska is situated within a grassland biome but is known for a co-occurrence of numerous plant and animal species of western, eastern and boreal forest biomes. Ten herbaceous and 13 woody sites were sampled for plant species composition and the data analyzed with TWINSPAN. A biogeographical literature review was undertaken to provide further information on vegetation in this region. Together, the analytical data and biogeographical literature review were used to construct a community classification. Seven major community types are recognized: Sandhill, Mixed Prairie, Tallgrass Meadow, Upland Pine, Juniper, Hardwood, and Streambank Communities. The origin and persistence of these communities are attributed to historical factors such as glacial and dispersal events which brought species to the area and to certain geomorphological, hydrological and other environmental factors which maintain appropriate microhabitats.
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| 650 |
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4 |
|a Physical sciences
|x Earth sciences
|x Geography
|x Geomorphology
|x Landforms
|x Erosional landforms
|x Valleys
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| 650 |
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4 |
|a Biological sciences
|x Biology
|x Botany
|x Dendrology
|x Trees
|x Evergreen trees
|x Conifers
|x Pine trees
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| 650 |
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4 |
|a Biological sciences
|x Agriculture
|x Agricultural sciences
|x Agronomy
|x Soil science
|x Pedology
|x Soil water
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| 650 |
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4 |
|a Biological sciences
|x Ecology
|x Ecosystems
|x Biomes
|x Grasslands
|x Prairies
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| 650 |
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4 |
|a Physical sciences
|x Earth sciences
|x Geography
|x Geomorphology
|x Topography
|x Highlands
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| 650 |
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4 |
|a Physical sciences
|x Earth sciences
|x Geography
|x Geomorphology
|x Topography
|x Lowlands
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| 650 |
|
4 |
|a Physical sciences
|x Earth sciences
|x Geography
|x Geomorphology
|x Topography
|x Topographical elevation
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| 650 |
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4 |
|a Biological sciences
|x Biology
|x Botany
|x Plant physiology
|x Vascular tissues
|x Xylem
|x Secondary xylem
|x Wood
|x Hardwoods
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| 650 |
|
4 |
|a Physical sciences
|x Earth sciences
|x Geography
|x Geomorphology
|x Landforms
|x Fluvial landforms
|x Alluvial landforms
|x Alluvial plains
|x Floodplains
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| 650 |
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4 |
|a Biological sciences
|x Ecology
|x Population ecology
|x Synecology
|x Biocenosis
|x Plant communities
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| 655 |
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4 |
|a research-article
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| 773 |
0 |
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|i Enthalten in
|t The Southwestern Naturalist
|d Southwestern Association of Naturalist
|g 40(1995), 2, Seite 129-138
|w (DE-627)JST083713697
|x 19436262
|7 nnns
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| 773 |
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|g volume:40
|g year:1995
|g number:2
|g pages:129-138
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|u https://www.jstor.org/stable/30054412
|3 Volltext
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|a AR
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|d 40
|j 1995
|e 2
|h 129-138
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