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Soils, Agriculture, and Society in Precontact Hawai`i
Before European contact, Hawai`i supported large human populations in complex societies that were based on multiple pathways of intensive agriculture. We show that soils within a long-abandoned… Expand
Bosmina remains in lake sediment as indicators of zooplankton community composition
We measured Bosmina spp. mucro and antennule lengths in surface sediment samples from Wisconsin lakes to test whether such measures could be used to reconstruct zooplankton community composition and… Expand
Dependence of Forest Structure and Dynamics on Substrate Age and Ecosystem Development
- J. Kellner, G. Asner, P. Vitousek, Michael A. Tweiten, S. Hotchkiss, O. Chadwick
- 7 September 2011
We quantified rates, sizes, and spatial properties of prevailing disturbance regimes in five tropical rain forest landscapes on a substrate-age gradient in Hawaii. By integrating measurements from… Expand
Discoloration of polyvinyl chloride (PVC) tape as a proxy for water‐table depth in peatlands: validation and assessment of seasonal variability
Summary 1 Discoloration of polyvinyl chloride (PVC) tape has been used in peatland ecological and hydrological studies as an inexpensive way to monitor changes in water-table depth and reducing… Expand
A Late-Quaternary Pollen Record from Ka‘au Crater, O‘ahu, Hawai‘i
Abstract A pollen record from Ka‘au Crater, O‘ahu, Hawai‘i contains evidence for changes in vegetation and climate since about 28,000 14C yr B.P. Zone 1 (ca. 28,100–ca. 22,800 14C yr B.P.) has pollen… Expand
Climate Cycles, Geomorphological Change, and the Interpretation of Soil and Ecosystem Development
We evaluated changes in temperature and precipitation associated with climate change, subsidence, and erosion on a chronosequence of sites across Hawaii. The sites range in age from 0.3 to 4100 ky,… Expand
Response of vegetation and fire to Little Ice Age climate change: regional continuity and landscape heterogeneity
Late-Holocene climatic conditions in the upper Great Lakes region have changed sufficiently to produce significant changes in vegetation and fire regimes. The objective of this study was to determine… Expand
Interpretation of charcoal morphotypes in sediments from Ferry Lake, Wisconsin, USA: do different plant fuel sources produce distinctive charcoal morphotypes?
We describe five common charcoal morphotypes observed in late-Holocene lake sediments from northern Wisconsin and compare them with charcoal produced by burning modern plant material. Our experiments… Expand
Farming the Rock: A biogeochemical perspective on intensive agriculture in Polynesia
In pre-contact Hawai‘i, large and intensive rainfed agricultural systems were established only where ongoing weathering of basalt-derived minerals could provide a sustained source of nutrients to… Expand
Freshwater macrophyte communities in lakes of variable landscape position and development in northern Wisconsin, U.S.A.
Using multivariate analyses, we evaluated the roles of landscape position and human development in the presence, composition, and abundance of freshwater macrophyte communities among 60 study lakes… Expand