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231226s2003 xx |||||o 00| ||eng c |
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|a 10.1046/j.1469-8137.2003.00763.x
|2 doi
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|a pubmed24n1152.xml
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|a DE-627
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|e rakwb
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|a eng
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|a Millett, Jonathan
|e verfasserin
|4 aut
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| 245 |
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|a The contribution of insect prey to the total nitrogen content of sundews (Drosera spp.) determined in situ by stable isotope analysis
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|c 2003
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Revised 07.09.2022
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a • The contribution of insect prey to total N in the carnivorous plants, Drosera rotundifolia and D. intermedia, was quantified in situ and without any experimental manipulation using natural abundance stable isotope analysis. • Samples of D. rotundifolia and D. intermedia, insects and noncarnivorous reference plants were collected from three contrasting locations across Britain. The proportion of Drosera nitrogen obtained from insect prey was calculated by a mixing model using δ15 N values from the different plant groups. • The mean proportion of Drosera N derived from prey was 50%. There were significant differences in this proportion between sites, and significant differences within sites. There were significant differences between plant tissues and a significant negative relationship between the proportion of N derived from prey and the C : N ratio of Drosera tissues. • There was little evidence of differences in prey capture/utilisation in response to N availability, possibly due to a limited range in available N between the sites. However, evidence of a positive benefit of prey capture was apparent through the decrease in C : N ratio with increasing prey N concentrations in the plants
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| 650 |
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|a Journal Article
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| 650 |
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4 |
|a Drosera intermedia
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| 650 |
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4 |
|a Drosera rotundifolia
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| 650 |
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4 |
|a carbon
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| 650 |
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4 |
|a carnivorous plants
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| 650 |
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4 |
|a nitrogen
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| 650 |
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|a stable isotope analysis
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| 650 |
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4 |
|a sundews
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| 700 |
1 |
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|a Jones, Roger I
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Waldron, Susan
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 158(2003), 3 vom: 15. Juni, Seite 527-534
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
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|g volume:158
|g year:2003
|g number:3
|g day:15
|g month:06
|g pages:527-534
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