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Data from: Stable isotopes reveal links between human food inputs and urban ant diets
- 负责人：
- DOI：
- doi:10.5061/dryad.668n0
- 摘要：
- l—ant species living in Manhattan's most urbanized habitats had δ13C signatures associated with processed human foods. In particular, pavement ants
Geochemistry of sediment core Kinneret_AA3, supplement to: Quintana Krupinski, Nadine B; Marlon, Jennifer R; Nishri, Ami; Street, Joseph H; Paytan, Adina (2013): Climatic and human controls on the late Holocene fire history of northern Israel. Quaternary Research, 80(03), 396-405
- 负责人：
- 关键词：
- DEPTH, sediment\/rock AGE Calcium carbonate δ13C, carbonate δ18O, carbonate Carbon, organic, total δ13C, organic carbon Nitrogen, total δ15N Carbon\/Nitrogen ratio
- DOI：
- doi:10.1594/pangaea.885848
- 摘要：
- Long-term fire histories provide insight into the effects of climate, ecology and humans on fire activity; they can be generated using accumulation rates of charcoal and soot black carbon in lacustrine sediments. This study uses both charcoal and black carbon, and other paleoclimate indicators from Lake Kinneret (Sea of Galilee), Israel, to reconstruct late Holocene variations in biomass burning and aridity. We compare the fire history data with a regional biomass-burning reconstruction from 18 different charcoal records and with pollen, climate, and population data to decipher the relative impacts of regional climate, vegetation changes, and human activity on fire. We show a long-term decline in fire activity over the past 3070 years, from high biomass burning ~3070-1750 cal yr BP to significantly lower levels after ~1750 cal yr BP. Human modification of the landscape (e.g., forest clearing, agriculture, settlement expansion and early industry) in periods of low to moderate precipitation appears to have been the greatest cause of high biomass burning during the late Holocene in southern Levant, while wetter climate apparently reduced fire activity during periods of both low and high human activity.
Data from: Validating the incorporation of 13C and 15N in a shorebird that consumes an isotopically distinct chemosymbiotic bivalve
- 负责人：
- DOI：
- doi:10.5061/dryad.c25gd
- 摘要：
- in chemosynthesis-based ecosystems. In this paper we present such a validation experiment for the incorporation of 13C and 15N in the blood plasma of a medium-sized
Data from: Quantifying terrestrial carbon in freshwater food webs using amino acid isotope analysis—case study with an endemic cave fish
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- 关键词：
- DOI：
- doi:10.5061/dryad.7gc968r
- 摘要：
- existing limitations of bulk C and N isotope analyses. We tested the efficacy of amino acid ?13C data as a generalisable measure of allochthony by analysing
Data from: Drought history affects grassland plant and microbial carbon turnover during and after a subsequent drought event
- 负责人：
- DOI：
- doi:10.5061/dryad.2t3sn
- 摘要：
- we conducted a 13C pulse-chase experiment during a naturally occurring drought and rewetting event in plots previously exposed to experimental droughts
Data from: Matching geographical assignment by stable isotopes with African non-breeding sites of Barn swallows Hirundo rustica tracked by geolocation
- 负责人：
- DOI：
- doi:10.5061/dryad.72q5723
- 摘要：
- on ?2H, ?13C and ?15N isotope compositions delineate three main non-breeding regions: a main cluster in central Africa, a second in West Africa
Data from: The application of an oxygen isotope aridity index to terrestrial paleoenvironmental reconstructions in Pleistocene North America
- 负责人：
- DOI：
- doi:10.5061/dryad.73v17
- 摘要：
- differences. We have further developed an oxygen isotope aridity index and used oxygen (?18O) isotope values and carbon (?13C) isotope values to assess regional
Data from: Linking isotopes and panmixia: high within-colony variation in feather ?2H, ?13C, and ?15N across the range of the American white pelican
- 负责人：
- DOI：
- doi:10.5061/dryad.p9b0n
- 摘要：
- a range expansion, with new colonies arising hundreds of kilometers outside previous range boundaries. In this study, we use a multiple stable isotope (?2H, ?13C
Data from: Exploring photosymbiotic ecology of planktic foraminifers from chamber-by-chamber isotopic history of individual foraminifers
- 负责人：
- DOI：
- doi:10.5061/dryad.p32p0
- 摘要：
- profiles with growth can reveal a species’ ecology. This study examined chamber-by-chamber stable isotopes (?13C and ?18O) of foraminiferal individuals to identify
Data from: Identifying the African wintering grounds of hybrid flycatchers using a multi–isotope (?2H, ?13C, ?15N) assignment approach
- 负责人：
- DOI：
- doi:10.5061/dryad.615tj
- 摘要：
- and found no significant difference in stable-nitrogen isotope ratios (?15N) in winter-grown feathers between the parental species and hybrids, but stable-carbon isotope ratios (?13C
