Limnology and Oceanography

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The trace metal composition of size‐fractionated plankton in the South China Sea: Biotic versus abiotic sources
Limnology and Oceanography - Tập 52 Số 5 - Trang 1776-1788 - 2007
Tung‐Yuan Ho, Liang‐Saw Wen, Chen‐Feng You, Der–Chuen Lee
We report the elemental composition (P, Si, Al, V, Cr, Mn, Fe, Co, Ni, Cu, and Zn) in the size‐fractionated plankton and suspended particulate matter (SPM) in the surface waters of the South China Sea. The sizefractionated plankton were effectively and gently separated by gravity through a novel trace‐metal‐clean filtration device, equipped with 150‐, 60‐, and 10‐µm aperture nets in sequen...... hiện toàn bộ
Bacterioplankton distribution and production in the bathypelagic ocean: Directly coupled to particulate organic carbon export?,
Limnology and Oceanography - Tập 48 Số 1 - Trang 150-156 - 2003
Dennis A. Hansell, Hugh W. Ducklow
A recently published evaluation of bacterioplankton abundance and productivity in the bathypelagic North Pacific suggests that these properties are generally coupled with particulate organic carbon (POC) fluxes. In that analysis, bacterial biomass and productivity were several–fold greater in subarctic than subtropical waters, consistent with the basin–scale distribution of POC flux and su...... hiện toàn bộ
DIURNAL CHANGES IN SHALLOW AQUATIC HABITATS
Limnology and Oceanography - Tập 7 Số 3 - Trang 348-353 - 1962
Stuart S. Bamforth
Diurnal changes were studied at different times of the year in a variety of Louisiana ponds, swamps, ditches and streams by the following procedure. Collections were made between 0500 and 0600 and between 1500 and 1600 on one day, and at the same times several days later. Each sample was analyzed chemically and biologically. The times chosen measure the approximate high and low values of d...... hiện toàn bộ
Các hồ nước như là những báo hiệu của biến đổi khí hậu Dịch bởi AI
Limnology and Oceanography - Tập 54 Số 6part2 - Trang 2283-2297 - 2009
Rita Adrian, Catherine M. O’Reilly, Horacio E. Zagarese, Stephen B. Baines, Dag O. Hessen, Wendel Keller, David M. Livingstone, Rubén Sommaruga, Dietmar Straile, Ellen van Donk, Gesa A. Weyhenmeyer, Monika Winder
Mặc dù có cảm nhận chung rằng các hồ nước có thể đóng vai trò như những báo hiệu của biến đổi khí hậu, nhưng hiệu quả của chúng chưa được phân tích một cách đầy đủ. Chúng tôi đã xác định các biến đáp ứng chính trong một hồ nước đóng vai trò là các chỉ số về tác động của biến đổi khí hậu đối với cả hồ và lưu vực. Những biến này phản ánh một loạt các phản ứng vật lý, hóa học và sinh học với ...... hiện toàn bộ
#biến đổi khí hậu #hồ nước #chỉ số môi trường #lưu vực #phản ứng sinh học #phì nhiêu hóa
Nutrient limitation of phytoplankton in freshwater and marine environments: A review of recent evidence on the effects of enrichment
Limnology and Oceanography - Tập 33 Số 4_part_2 - Trang 796-822 - 1988
Robert E. Hecky, Peter Kilham
DISTRIBUTION OF n‐PARAFFINS IN MARINE ORGANISMS AND SEDIMENT1
Limnology and Oceanography - Tập 12 Số 1 - Trang 79-87 - 1967
R. C. Clark, Max Blumer
Twelve species of benthic algae from the northeast coast of the United States, three species of planktonic algae grown in the laboratory, a pelagic alga, a sample of mixed phytoplankton and zooplankton, and a recent marine sediment were analyzed for their normal paraffin distribution from C14H30 to C32H66.<...... hiện toàn bộ
Benthic community—water column coupling during the 1982‐1983 El Niño. Are community changes at high latitudes attributable to cause or coincidence?1
Limnology and Oceanography - Tập 31 Số 2 - Trang 351-360 - 1986
Robert T. Paine
The 1982–1983 El Niño generated a strong signal which diminished poleward. Although water mass properties were clearly influenced at 48°N, no effects were identified on a rocky intertidal community which could unambiguously be attributed to El Niño. The analyses included long term studies of the upper limits to the distribution of a red alga (7 years) and two species of mussels (14 years)....... hiện toàn bộ
Mechanical adaptations of a giant kelp
Limnology and Oceanography - Tập 22 Số 6 - Trang 1067-1071 - 1977
M. A. R. Koehl, S. A. Wainwright
Unusually high extensibility of the kelp Nereocystis luetkeana minimizes breakage by waves and tidal currents. Cellulose fibrils in cortical cell walls have a preferred angle of 60° to the stipe axis; this may be the structural basis of stipe extensibility. Although undamaged plants can sustain drag due to most waves and tides, breakage of single plants occurs mo...... hiện toàn bộ
From Greenland to green lakes: Cultural eutrophication and the loss of benthic pathways in lakes
Limnology and Oceanography - Tập 48 Số 4 - Trang 1408-1418 - 2003
Yvonne Vadeboncoeur, Erik Jeppesen, M. Jake Vander Zanden, Hans‐Henrik Schierup, Kirsten Christoffersen, David M. Lodge
Benthic community responses to lake eutrophication are poorly understood relative to pelagic responses. We compared phytoplankton and periphyton productivity along a eutrophication gradient in Greenland, U.S., and Danish lakes. Phytoplankton productivity increased along the phosphorus gradient (total phosphorus [TP] = 2–430 mg m−3), but whole‐lake benthic algal product...... hiện toàn bộ
Linkages among the bioreactivity, chemical composition, and diagenetic state of marine dissolved organic matter
Limnology and Oceanography - Tập 46 Số 2 - Trang 287-297 - 2001
Rainer M. W. Amon, Hans-Peter Fitznar, Ronald Benner
Bacterial growth and the chemical composition of dissolved organic matter (DOM) were followed during a 10ߚd decomposition experiment with fresh, algalߚ;derived DOM from an Arctic ice floe. During the experiment ~30% of the dissolved organic carbon (DOC) was used by bacteria, indicating the highly reactive nature of this fresh DOM. Over half of the DOC consumption was accounted for as losse...... hiện toàn bộ
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