標(biāo)題: Titlebook: Environmental Change and Response in East African Lakes; John T. Lehman Book 1998 Springer Science+Business Media Dordrecht 1998 Ecology.E [打印本頁] 作者: CROSS 時間: 2025-3-21 16:48
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書目名稱Environmental Change and Response in East African Lakes讀者反饋學(xué)科排名
作者: Favorable 時間: 2025-3-21 23:54
History and Ontogeny of IDEALow professionals and the public. IDEAL is an example of how compelling science can be accomplished without inflated budgets, grandiose administrative schemes, or competing egos. As such, it presents an instructive case study about the ontogeny of a scientific initiative.作者: 重畫只能放棄 時間: 2025-3-22 00:48
Book 1998nd stimulating special symposium during the annual meeting of the American Society for Limnology and Oceanography, and enthusiasm was running high for the production of a volume that could assemble in one place the scientific findings that were starting to emerge from East Africa. IDEAL, an Internat作者: 苦惱 時間: 2025-3-22 07:16 作者: Hypomania 時間: 2025-3-22 10:16
Fluctuations of Rift Valley Lakes Malawi and Chilwa During Historical Times: A Synthesis of Geologicscale climatic conditions. This analysis underscores complexities in interpreting the historical and geological records of the lakes in terms of climate. It also points out the need to interpret the African lake record collectively, rather than focusing on individual lakes.作者: farewell 時間: 2025-3-22 14:31
Abrupt Climatic Changes Associated with the Arid Younger Dryas Interval in Africa5 ka and terminated abruptly around 9.8 ka. This ca. 1700 yr arid event was punctuated by a brief period of somewhat moister conditions between 10.9 and 10.4 ka. The multi-phasic nature of this event appears to be widespread in Africa. These observations carry implications for the mechanisms applied to explain North Atlantic Younger Dryas signals.作者: farewell 時間: 2025-3-22 17:18 作者: interrupt 時間: 2025-3-23 00:59
Zur politischen Semantik der Revolutionscale climatic conditions. This analysis underscores complexities in interpreting the historical and geological records of the lakes in terms of climate. It also points out the need to interpret the African lake record collectively, rather than focusing on individual lakes.作者: 情感脆弱 時間: 2025-3-23 04:50
https://doi.org/10.1007/978-3-662-42428-5 (~500, ~1100, ~1400, and ~2,350~2,550 calendar year cycles) which point to global-scale forcing mechanisms. This paleolimnological record suggests that Lake Victoria and its algal communities are inherently unstable, and that future environmental and fishery management models should consider the lake’s sensitivity to climatic changes.作者: 爆米花 時間: 2025-3-23 05:56 作者: obsession 時間: 2025-3-23 12:07
0077-0639 ccessful and stimulating special symposium during the annual meeting of the American Society for Limnology and Oceanography, and enthusiasm was running high for the production of a volume that could assemble in one place the scientific findings that were starting to emerge from East Africa. IDEAL, a作者: Flu表流動 時間: 2025-3-23 17:17
https://doi.org/10.1007/978-3-476-99005-15 ka and terminated abruptly around 9.8 ka. This ca. 1700 yr arid event was punctuated by a brief period of somewhat moister conditions between 10.9 and 10.4 ka. The multi-phasic nature of this event appears to be widespread in Africa. These observations carry implications for the mechanisms applied to explain North Atlantic Younger Dryas signals.作者: mortgage 時間: 2025-3-23 18:58
978-90-481-5043-4Springer Science+Business Media Dordrecht 1998作者: Mettle 時間: 2025-3-24 00:52
Environmental Change and Response in East African Lakes978-94-017-1437-2Series ISSN 0077-0639 Series E-ISSN 2215-1729 作者: 食道 時間: 2025-3-24 05:47 作者: PARA 時間: 2025-3-24 09:47 作者: 使長胖 時間: 2025-3-24 12:31
https://doi.org/10.1007/978-3-531-90981-3k to 700 A.D. is also developed. These chronologies are based mainly on oral traditions of the local peoples, as described in various historical sources, and on reports of European visitors, settlers and explorers. In some cases actual historical levels have been reported. The historical fluctuation作者: gastritis 時間: 2025-3-24 14:52 作者: 撫慰 時間: 2025-3-24 19:10 作者: Oscillate 時間: 2025-3-24 23:39 作者: 不給啤 時間: 2025-3-25 04:29 作者: 獸群 時間: 2025-3-25 09:42 作者: 健談 時間: 2025-3-25 15:08 作者: tendinitis 時間: 2025-3-25 19:21
https://doi.org/10.1007/978-3-8350-9114-6he full water column of the lake, with most individuals close to the bottom during day time and most distributed throughout all lake depths during the night. Diel vertical migration by . occurs at all lake regions, but it is most pronounced at deep, offshore locations. In offshore regions, . populat作者: GULP 時間: 2025-3-25 23:22
Zur Zukunft des Landesparlamentarismusd state is the potential loss of habitat for fishes and invertebrates that are sensitive to hypoxia. Laboratory experiments with the meroplanktonic prawn, ., show that survivorship and body growth are not significantly different between animals reared under low-oxygen conditions (3–4 mg L. O. and th作者: 漫不經(jīng)心 時間: 2025-3-26 02:22
https://doi.org/10.1007/978-3-642-61782-9brate predator and forage item for planktivorous fish. We incorporated in situ development times and length-weight relationships of larvae and pupae collected from offshore waters throughout 1994. The model predicted . biomass to be 55 mg C m. during 1994 with a production to biomass ratio of 0.11 d作者: entrance 時間: 2025-3-26 07:39
https://doi.org/10.1007/978-3-476-99005-1unterpart in Africa. We present new high-resolution palynological evidence from Lake Albert, East Africa indicating that tropical aridity began at 11.5 ka and terminated abruptly around 9.8 ka. This ca. 1700 yr arid event was punctuated by a brief period of somewhat moister conditions between 10.9 a作者: vasospasm 時間: 2025-3-26 11:00 作者: Organonitrile 時間: 2025-3-26 15:17
https://doi.org/10.1007/978-3-7091-7743-3e. The carbonates appear to form out of equilibrium with the modern lake waters. The micrite is precipitating at 0.6‰ to 2‰ below equilibrium values whereas the ostracods are forming their shells at 0.3‰ to 2.0‰ above equilibrium. This seems to be caused by the extent of interaction between inflow a作者: jumble 時間: 2025-3-26 17:41 作者: hurricane 時間: 2025-3-26 20:57
Zur politischen Semantik der Revolutionakes Malawi and Chilwa during the past two centuries and to produce less detailed, longer-term chronologies of these lakes. Fluctuations are compared with famine and drought records during historical times and rainfall data during modern times in order to understand their links with local and large-作者: 一再煩擾 時間: 2025-3-27 02:09 作者: 堅毅 時間: 2025-3-27 06:21
History and Ontogeny of IDEAL of Africa as archives of environmental and climate dynamics (IDEAL 1990). The scientists who formulated IDEAL share values that result in a program which is science-driven. Those who work under the IDEAL umbrella are a far cry from the “businessmen in white lab coats” who Frank Rigler and Rob Peter作者: atrophy 時間: 2025-3-27 11:31 作者: Indent 時間: 2025-3-27 14:08
Ancient Analogues for Recent Environmental Changes at Lake Victoria, East Africaanges in the lake, which include increased water column stability, a switch from . to .-dominated diatom assemblages, and an overall increase in cyanobacteria relative to diatoms. The sediment record indicates that similar events have occurred abruptly and repeatedly in the lake since ~7.2 .C ka, ap作者: FIS 時間: 2025-3-27 18:02 作者: armistice 時間: 2025-3-27 23:34 作者: synovial-joint 時間: 2025-3-28 06:09
Biogenic Silica Profiles in Holocene Cores from Lake Victoria: Implications for Lake Level History aimum and began to refill around 12,400 radiocarbon years ago (12.4 ka). The abundance of biogenic Si rose immediately in the lacustrine sediments that accumulated over the paleosol, to the highest values observed in Holocene sediments, until about 7.4 ka when they dropped abruptly and remained low u作者: BRIEF 時間: 2025-3-28 08:50 作者: 起皺紋 時間: 2025-3-28 12:00 作者: ULCER 時間: 2025-3-28 17:51
: Spatial Distribution and Egg Production in Lake Victoria, Ugandahe full water column of the lake, with most individuals close to the bottom during day time and most distributed throughout all lake depths during the night. Diel vertical migration by . occurs at all lake regions, but it is most pronounced at deep, offshore locations. In offshore regions, . populat作者: 重畫只能放棄 時間: 2025-3-28 19:52
Low-Oxygen Tolerance of the Atyid Prawn, ,, in Lake Victoria (East Africa): Implications for Refuge d state is the potential loss of habitat for fishes and invertebrates that are sensitive to hypoxia. Laboratory experiments with the meroplanktonic prawn, ., show that survivorship and body growth are not significantly different between animals reared under low-oxygen conditions (3–4 mg L. O. and th作者: 巧思 時間: 2025-3-29 00:18
Secondary Production by the Lake Fly , in Lake Victoria, East Africa: Implications for Trophic Dynambrate predator and forage item for planktivorous fish. We incorporated in situ development times and length-weight relationships of larvae and pupae collected from offshore waters throughout 1994. The model predicted . biomass to be 55 mg C m. during 1994 with a production to biomass ratio of 0.11 d作者: 上釉彩 時間: 2025-3-29 03:59 作者: 蚊帳 時間: 2025-3-29 10:39
Nutrients and Plankton Biomass in the Rift Lake Sources of the White Nile: Lakes Albert and Edwarder column chemistry, plankton biomass, and production rates. Biomass of phytoplankton exceeds that of zooplankton in both rift lakes, and the predictive relationship between light attenuation and particulate chlorophyll is consistent with that of Lake Victoria. Cyclopoid copepods dominate Albert and作者: facilitate 時間: 2025-3-29 13:32
Comparison of Isotopic Records in Abiogenic and Biogenic Calcite from Lake Turkana, Kenyae. The carbonates appear to form out of equilibrium with the modern lake waters. The micrite is precipitating at 0.6‰ to 2‰ below equilibrium values whereas the ostracods are forming their shells at 0.3‰ to 2.0‰ above equilibrium. This seems to be caused by the extent of interaction between inflow a作者: jeopardize 時間: 2025-3-29 18:23 作者: Tempor 時間: 2025-3-29 23:17 作者: bacteria 時間: 2025-3-30 03:05
0077-0639 at exist within IDEAL. This book follows in the spirit of The Limnology, Climatology, and Paleoclimatology of the East African Lakes, published in 1996, but has978-90-481-5043-4978-94-017-1437-2Series ISSN 0077-0639 Series E-ISSN 2215-1729 作者: Immunotherapy 時間: 2025-3-30 04:26 作者: 哀悼 時間: 2025-3-30 08:32 作者: BOGUS 時間: 2025-3-30 15:51
Environmental Magnetism of Late Pleistocene / Holocene Sequences from Lake Victoria, East Africasceptibility determined that this soil zone derives from the precursor lake muds with some evidence of diagenesis of the magnetic carrier. Prior to 12,700 yr B.P. the proxies reflect very low water levels with some periods of complete desiccation adequate to form thick crumbly soils, oxidize organic作者: Adornment 時間: 2025-3-30 20:07
