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Late Quaternary changes in ecosystems and carbon cycling on Mt. Kenya, East Africa: a landscape-ecological perspective based on multi-proxy lake-sediment influxes.

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Late Quaternary changes in ecosystems and carbon cycling on Mt. Kenya, East Africa: a landscape-ecological perspective based on multi-proxy lake-sediment influxes. / Street-Perrott, F. A.; Barker, Philip A.; Swain, David L. et al.
In: Quaternary Science Reviews, Vol. 26, No. 13-14, 07.2007, p. 1838-1860.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Harvard

Street-Perrott, FA, Barker, PA, Swain, DL, Ficken, KJ, Wooller, MJ, Olago, DO & Huang, Y 2007, 'Late Quaternary changes in ecosystems and carbon cycling on Mt. Kenya, East Africa: a landscape-ecological perspective based on multi-proxy lake-sediment influxes.', Quaternary Science Reviews, vol. 26, no. 13-14, pp. 1838-1860. https://doi.org/10.1016/j.quascirev.2007.02.014

APA

Street-Perrott, F. A., Barker, P. A., Swain, D. L., Ficken, K. J., Wooller, M. J., Olago, D. O., & Huang, Y. (2007). Late Quaternary changes in ecosystems and carbon cycling on Mt. Kenya, East Africa: a landscape-ecological perspective based on multi-proxy lake-sediment influxes. Quaternary Science Reviews, 26(13-14), 1838-1860. https://doi.org/10.1016/j.quascirev.2007.02.014

Vancouver

Street-Perrott FA, Barker PA, Swain DL, Ficken KJ, Wooller MJ, Olago DO et al. Late Quaternary changes in ecosystems and carbon cycling on Mt. Kenya, East Africa: a landscape-ecological perspective based on multi-proxy lake-sediment influxes. Quaternary Science Reviews. 2007 Jul;26(13-14):1838-1860. doi: 10.1016/j.quascirev.2007.02.014

Author

Street-Perrott, F. A. ; Barker, Philip A. ; Swain, David L. et al. / Late Quaternary changes in ecosystems and carbon cycling on Mt. Kenya, East Africa: a landscape-ecological perspective based on multi-proxy lake-sediment influxes. In: Quaternary Science Reviews. 2007 ; Vol. 26, No. 13-14. pp. 1838-1860.

Bibtex

@article{5a1e3809b306409081a620bc92026c5b,
title = "Late Quaternary changes in ecosystems and carbon cycling on Mt. Kenya, East Africa: a landscape-ecological perspective based on multi-proxy lake-sediment influxes.",
abstract = "The degree to which different lakes within a landscape respond coherently (in unison) to external drivers such as climate change and soil development is uncertain. Presentation of multi-proxy, geochemical and palaeoecological data from individual lakes in the form of fluxes minimizes distortions resulting from variable sedimentation rates and changes in sediment composition. We use the accumulation rates of magnetic minerals, total organic C and N, terrestrial and aquatic biomarkers, graminoid epidermis, pollen, green algae, diatoms and diatom C in four small lakes, situated between 2350 and 4595m a.s.l. on the NE flank of Mt. Kenya, East Africa, to reconstruct changes in C cycling over the last 38 ka. The results conflict with earlier models of landscape and lake development, showing: (1) that glacial{\^a}��interglacial changes in vegetation cannot be interpreted as simple, altitudinal shifts in the modern vegetation belts; and (2) that limnological changes were not coherent. Rapid variations in climate, water level, erosion and nutrient input overwhelmed long-term, successional trends in lake sedimentation and C accumulation since the Last Glacial Maximum. The results also reveal previously unrecognized features of the palaeoenvironmental record, such as the rapid degradation of organic matter in diatoms and the occurrence of a productive, fire-prone montane grassland during the highly seasonal, monsoonal climate of the Lateglacial and early Holocene.",
author = "Street-Perrott, {F. A.} and Barker, {Philip A.} and Swain, {David L.} and Ficken, {Katherine J.} and Wooller, {Matthew J.} and Olago, {Daniel O.} and Yongsong Huang",
year = "2007",
month = jul,
doi = "10.1016/j.quascirev.2007.02.014",
language = "English",
volume = "26",
pages = "1838--1860",
journal = "Quaternary Science Reviews",
issn = "0277-3791",
publisher = "Elsevier Limited",
number = "13-14",

}

RIS

TY - JOUR

T1 - Late Quaternary changes in ecosystems and carbon cycling on Mt. Kenya, East Africa: a landscape-ecological perspective based on multi-proxy lake-sediment influxes.

AU - Street-Perrott, F. A.

AU - Barker, Philip A.

AU - Swain, David L.

AU - Ficken, Katherine J.

AU - Wooller, Matthew J.

AU - Olago, Daniel O.

AU - Huang, Yongsong

PY - 2007/7

Y1 - 2007/7

N2 - The degree to which different lakes within a landscape respond coherently (in unison) to external drivers such as climate change and soil development is uncertain. Presentation of multi-proxy, geochemical and palaeoecological data from individual lakes in the form of fluxes minimizes distortions resulting from variable sedimentation rates and changes in sediment composition. We use the accumulation rates of magnetic minerals, total organic C and N, terrestrial and aquatic biomarkers, graminoid epidermis, pollen, green algae, diatoms and diatom C in four small lakes, situated between 2350 and 4595m a.s.l. on the NE flank of Mt. Kenya, East Africa, to reconstruct changes in C cycling over the last 38 ka. The results conflict with earlier models of landscape and lake development, showing: (1) that glacial�interglacial changes in vegetation cannot be interpreted as simple, altitudinal shifts in the modern vegetation belts; and (2) that limnological changes were not coherent. Rapid variations in climate, water level, erosion and nutrient input overwhelmed long-term, successional trends in lake sedimentation and C accumulation since the Last Glacial Maximum. The results also reveal previously unrecognized features of the palaeoenvironmental record, such as the rapid degradation of organic matter in diatoms and the occurrence of a productive, fire-prone montane grassland during the highly seasonal, monsoonal climate of the Lateglacial and early Holocene.

AB - The degree to which different lakes within a landscape respond coherently (in unison) to external drivers such as climate change and soil development is uncertain. Presentation of multi-proxy, geochemical and palaeoecological data from individual lakes in the form of fluxes minimizes distortions resulting from variable sedimentation rates and changes in sediment composition. We use the accumulation rates of magnetic minerals, total organic C and N, terrestrial and aquatic biomarkers, graminoid epidermis, pollen, green algae, diatoms and diatom C in four small lakes, situated between 2350 and 4595m a.s.l. on the NE flank of Mt. Kenya, East Africa, to reconstruct changes in C cycling over the last 38 ka. The results conflict with earlier models of landscape and lake development, showing: (1) that glacial�interglacial changes in vegetation cannot be interpreted as simple, altitudinal shifts in the modern vegetation belts; and (2) that limnological changes were not coherent. Rapid variations in climate, water level, erosion and nutrient input overwhelmed long-term, successional trends in lake sedimentation and C accumulation since the Last Glacial Maximum. The results also reveal previously unrecognized features of the palaeoenvironmental record, such as the rapid degradation of organic matter in diatoms and the occurrence of a productive, fire-prone montane grassland during the highly seasonal, monsoonal climate of the Lateglacial and early Holocene.

U2 - 10.1016/j.quascirev.2007.02.014

DO - 10.1016/j.quascirev.2007.02.014

M3 - Journal article

VL - 26

SP - 1838

EP - 1860

JO - Quaternary Science Reviews

JF - Quaternary Science Reviews

SN - 0277-3791

IS - 13-14

ER -