標(biāo)題: Titlebook: Global Change and River Ecosystems - Implications for Structure, Function and Ecosystem Services; R. Jan Stevenson,Sergi Sabater Book 2010 [打印本頁] 作者: Recovery 時間: 2025-3-21 18:39
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書目名稱Global Change and River Ecosystems - Implications for Structure, Function and Ecosystem Services讀者反饋學(xué)科排名
作者: 上腭 時間: 2025-3-21 21:37 作者: 抱怨 時間: 2025-3-22 03:16 作者: adipose-tissue 時間: 2025-3-22 05:16
Strategische IT-Controlling-Werkzeuge,ht increase in grazer biomass, and reduced algal biomass compared to grazer-free chambers. These results show that nutrient excess spread bottom-up effects through the food web, and that relevant top-down effects could also be detected. Eutrophication may produce relevant changes in the food web of tropical high-mountain streams.作者: 改正 時間: 2025-3-22 11:38 作者: HEAVY 時間: 2025-3-22 14:17 作者: HEAVY 時間: 2025-3-22 18:46
Book 2010e not restricted to water flow interruptions, temperature increases, loss of hydrological connectivity, altered water residence times, changes in nutrient loads, increasing arrival of new chemicals, simplification of the physical structure of the systems, occurrence of invasive species, and biodiver作者: 帶傷害 時間: 2025-3-22 21:46 作者: Affectation 時間: 2025-3-23 04:06
Understanding effects of global change on river ecosystems: science to support policy in a changingexity with a set of guiding principles intended to facilitate transfer of knowledge learned in one river or region to another. The ecology of disturbance provides the theoretical framework for predicting effects of human activities on rivers as well as management activities. Predicting river respons作者: 不能強(qiáng)迫我 時間: 2025-3-23 08:15
Biogeochemical implications of climate change for tropical rivers and floodplains,atification of water bodies and dissolved oxygen depletion; (2) hydrological regimes of discharge and floodplain inundation, which determine the ecological structure and function of rivers and floodplains and the extent and seasonality of aquatic environments; and (3) freshwater–seawater gradients w作者: 甜得發(fā)膩 時間: 2025-3-23 12:28 作者: Aerophagia 時間: 2025-3-23 15:49 作者: Little 時間: 2025-3-23 20:48
Factors regulating epilithic biofilm carbon cycling and release with nutrient enrichment in headwatexchange occurred in the two most nutrient-poor streams. Further, this ratio was best predicted by newC. suggesting increased relative activity of some algae relates to reduced algal–bacterial C exchange within these biofilms. Net release of DOC represented 2–45% of NPP with greatest release of DOC 作者: bypass 時間: 2025-3-24 01:00 作者: Ledger 時間: 2025-3-24 03:54
The physico-chemical habitat template for periphyton in alpine glacial streams under a changing clirse sediment transport were not paralleled by an increase in periphyton biomass. In the non-glacial streams, seasonal periphyton patterns were similar to those of glacial streams, but biomass was significantly higher. Glacier recession from climate change may shift water sources in glacier streams a作者: Debility 時間: 2025-3-24 08:45
The periphyton as a multimetric bioindicator for assessing the impact of land use on rivers: an ove4?years of research performed on the French Ardières-Morcille experimental watershed (AMEW). Various biological indicators have been applied during several surveys on AMEW, allowing the characterisation of (i) the structure and diversity of biofilm communities [community level finger printing (CLFP)作者: invade 時間: 2025-3-24 14:45
Discharge and the response of biofilms to metal exposure in Mediterranean rivers,While Cd seems to proceed from diffuse sources being washed by surface runoff, Zn, Pb, and As may proceed from either diffuse or point-sources in the different river sites investigated. The relevance of diffuse metal pollution in the area of study indicates that polluted landfills runoff might be an作者: Militia 時間: 2025-3-24 17:56 作者: Climate 時間: 2025-3-24 20:22
Global change and food webs in running waters,ad to seemingly counterintuitive responses to perturbations that cannot be predicted from the traditional focus of studying individual species in isolation. In this review, we highlight the need for developing new network-based approaches to understand and predict the consequences of global change i作者: 頭盔 時間: 2025-3-25 02:17 作者: 發(fā)生 時間: 2025-3-25 04:58 作者: restrain 時間: 2025-3-25 09:22
Flow regime alteration effects on the organic C dynamics in semiarid stream ecosystems, carbon in sediment. After that, multiple scenarios differing in the extreme flow events (floods and droughts) sequence and magnitude were used to simulate the effects of possible flow regime changes on the stream organic carbon dynamics. Initial expectations were that: (i) an increase in the magnit作者: 刺耳的聲音 時間: 2025-3-25 15:11 作者: 沒收 時間: 2025-3-25 19:25
Implications of global change for the maintenance of water quality and ecological integrity in the ion, protection of reference stations and of unique or undisturbed aquatic resources is imperative, though the scope of protection options is limited. Projections indicate that encroaching land use will affect 36–48% of current reference surface waters by the year 2100. The interpretation of biologi作者: 未完成 時間: 2025-3-25 21:09
nteractions among these man-made drivers across a mosaic of natural hydrogeomorphic and climatic settings. This book explores the broad range of determinants defining global change and their effects on river ec978-94-007-3417-3978-94-007-0608-8作者: 影響深遠(yuǎn) 時間: 2025-3-26 01:13
Six Good Reasons for an IT Strategyexity with a set of guiding principles intended to facilitate transfer of knowledge learned in one river or region to another. The ecology of disturbance provides the theoretical framework for predicting effects of human activities on rivers as well as management activities. Predicting river respons作者: Annotate 時間: 2025-3-26 07:47
https://doi.org/10.1007/978-1-4842-2421-2atification of water bodies and dissolved oxygen depletion; (2) hydrological regimes of discharge and floodplain inundation, which determine the ecological structure and function of rivers and floodplains and the extent and seasonality of aquatic environments; and (3) freshwater–seawater gradients w作者: Heart-Attack 時間: 2025-3-26 12:31
https://doi.org/10.1007/978-3-8348-9130-3 contributed <18%. . and . were found in smaller amounts (<7%). In spring, when the highest total organic carbon content was also detected (0.42% w/w), both bacterial abundance and C production (BCP, 170?nmol C?h.?g.) reached relatively high values. During the flood event, an increase in BCP and the作者: 分貝 時間: 2025-3-26 15:00
Michael May,Michael Marchioninions and assemblages of algae, macrophytes, and invertebrate fauna or in the eutrophication of affected ecosystems. The objective of this article is to describe the principal limnologic characteristics of the streams that traverse the Buenos Aires Province and relate these features with the predicted作者: 強(qiáng)行引入 時間: 2025-3-26 19:29 作者: moratorium 時間: 2025-3-26 21:24 作者: LAVA 時間: 2025-3-27 01:42
The House: A Play in Three Actsrse sediment transport were not paralleled by an increase in periphyton biomass. In the non-glacial streams, seasonal periphyton patterns were similar to those of glacial streams, but biomass was significantly higher. Glacier recession from climate change may shift water sources in glacier streams a作者: Collision 時間: 2025-3-27 06:25 作者: ADAGE 時間: 2025-3-27 09:41
IT-Compliance in der Corporate GovernanceWhile Cd seems to proceed from diffuse sources being washed by surface runoff, Zn, Pb, and As may proceed from either diffuse or point-sources in the different river sites investigated. The relevance of diffuse metal pollution in the area of study indicates that polluted landfills runoff might be an作者: 煩憂 時間: 2025-3-27 16:49 作者: DEVIL 時間: 2025-3-27 21:05 作者: Geyser 時間: 2025-3-27 22:11
https://doi.org/10.1007/978-3-658-02161-0ogical consequences of channel form and dynamics. This article (1) summarizes the role of channel form on biodiversity and functioning of river ecosystems, (2) describes spatial complexity, connectivity and dynamism as three key hydromorphological attributes, (3) identifies prevalent human activitie作者: Project 時間: 2025-3-28 05:58
,Von der Praxis in die Realit?t,, peptide availability decreased, as indicated by decreases in leucine aminopeptidase activity, as well as amino acid content in the water and benthic material, except leaves; while polysaccharides were actively used, as indicated by an increase in β-glucosidase activity in the benthic substrata and作者: Nomogram 時間: 2025-3-28 07:10
IT-L?sungen auf Basis von SysML und UML carbon in sediment. After that, multiple scenarios differing in the extreme flow events (floods and droughts) sequence and magnitude were used to simulate the effects of possible flow regime changes on the stream organic carbon dynamics. Initial expectations were that: (i) an increase in the magnit作者: recession 時間: 2025-3-28 12:31 作者: 詳細(xì)目錄 時間: 2025-3-28 16:51
https://doi.org/10.1007/978-3-658-39715-9ion, protection of reference stations and of unique or undisturbed aquatic resources is imperative, though the scope of protection options is limited. Projections indicate that encroaching land use will affect 36–48% of current reference surface waters by the year 2100. The interpretation of biologi作者: CARE 時間: 2025-3-28 21:02
,Foreword: Global change and river ecosystems—implications for structure, function, and ecosystem se作者: 詞匯記憶方法 時間: 2025-3-29 00:20
Global Change and River Ecosystems - Implications for Structure, Function and Ecosystem Services作者: 女上癮 時間: 2025-3-29 03:56
Global Change and River Ecosystems - Implications for Structure, Function and Ecosystem Services978-94-007-0608-8作者: 變色龍 時間: 2025-3-29 09:22
Six Good Reasons for an IT Strategycience in particular have advanced greatly in the last 40?years, gaps remain between what we know and what environmental managers need to know to protect and restore aquatic resources. We argue that detailed quantitative relationships among human activities, contaminants, habitat alterations, and ec作者: 主動 時間: 2025-3-29 11:49
https://doi.org/10.1007/978-1-4842-2421-2nvironments, in methane emission to the atmosphere and in providing ecosystem services associated with their high biological productivity. These ecosystem functions entail biogeochemical processes that will be influenced by climate change. Evidence for recent climate-driven changes in tropical river作者: asthma 時間: 2025-3-29 19:15 作者: 連累 時間: 2025-3-29 23:46 作者: Ordeal 時間: 2025-3-30 03:13
https://doi.org/10.1007/978-3-662-08041-2w nutrient availability, stoichiometry, and the composition of active biofilm phototrophs may regulate C cycling in epilithic biofilms. Carbon cycling was tracked through epilithic biofilm communities by assessing net primary production (NPP) and .C-labeling of biofilm phospholipids fatty acids (PLF作者: hemophilia 時間: 2025-3-30 05:53
https://doi.org/10.1007/978-3-540-34512-1quantified in-stream and land-use variables along a N–S land-use gradient at varying distances from New York City (NYC). Streams draining different landscapes had fundamentally different physical, chemical, and biological properties. Human population density significantly decreased (.?=??0.739; .?
作者: Glycogen 時間: 2025-3-30 11:29 作者: MOTTO 時間: 2025-3-30 15:36
IT-Architekturentwicklung im Smart Gridsticide-dependent and generate water pollution due to transfer of pesticide residues through spray-drift, run-off and leaching. The ecological effects of these pollutants in aquatic ecosystems are broad-ranging owing to the variety of substances present (herbicides, fungicides, insecticides, etc.). 作者: Rejuvenate 時間: 2025-3-30 19:44
IT-Compliance in der Corporate Governance relationship between inter-annual hydrological variability and metal concentration in water and sediments was explored in Mediterranean rivers (Catalonia, NE Spain) affected by low but chronic metal pollution, using monitoring data provided by the Catalan Water Agency (ACA). During the period inves作者: calumniate 時間: 2025-3-30 22:38 作者: 雕鏤 時間: 2025-3-31 04:30 作者: 征服 時間: 2025-3-31 07:40
,Entscheidungsdom?nen der IT-Governance,te change is arguably the greatest threat on the horizon, with serious implications for freshwater food webs via alterations in thermal regimes, resource quality and availability, and hydrology. This will induce radical restructuring of many food webs, by altering the identity of nodes, the strength作者: 證實 時間: 2025-3-31 10:46 作者: kindred 時間: 2025-3-31 13:44
,Von der Praxis in die Realit?t, connectivity is interrupted and this affects benthic, hyporheic and flowing water compartments. Organic matter use and transport can be particularly affected during the transition from wet to dry and dry to wet conditions. In order to characterize the changes in benthic organic matter quantity and 作者: 課程 時間: 2025-3-31 18:49 作者: SPURN 時間: 2025-3-31 21:40 作者: 惹人反感 時間: 2025-4-1 03:29
https://doi.org/10.1007/978-3-658-39715-9using biological indicators and reference-based comparisons as the foundation for assessments are likely to make increasingly erroneous decisions if the impacts of global change are ignored. Global changes influence all aspects of water resource management decisions based on comparisons to reference作者: interlude 時間: 2025-4-1 08:01 作者: artifice 時間: 2025-4-1 12:08
Biogeochemical implications of climate change for tropical rivers and floodplains,nvironments, in methane emission to the atmosphere and in providing ecosystem services associated with their high biological productivity. These ecosystem functions entail biogeochemical processes that will be influenced by climate change. Evidence for recent climate-driven changes in tropical river作者: Synapse 時間: 2025-4-1 17:35 作者: Gudgeon 時間: 2025-4-1 21:14
Global changes in pampean lowland streams (Argentina): implications for biodiversity and functioninended solids, silty sediment in the benthos, and reduced rithron; the riparian forest of this region has been replaced by low-altitude grasslands. Many of these environments contain a wide coverage of aquatic reeds, both submerged and floating, making the pampas limologically extraordinary. These te
