Base de dados : MEDLINE
Pesquisa : G02.607.125.500 [Categoria DeCS]
Referências encontradas : 884 [refinar]
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[PMID]:29251883
[Au] Autor:Pal S; Chattopadhyay B; Mukhopadhyay SK
[Ti] Título:Spatio-temporal study of carbon sequestration through piscicultural practice at East Kolkata Wetland.
[So] Source:J Environ Biol;37(5):965-71, 2016 09.
[Is] ISSN:0254-8704
[Cp] País de publicação:India
[La] Idioma:eng
[Ab] Resumo:The present study focus the variation of carbon concentrations within three trophic level i.e., primary producer (phytoplankton), primary consumers (zooplankton) and secondary consumers (fish) in three selected ponds at East Kolkata Wetland area. Depending on the amount and frequency of wastewater input, physico-chemical characteristics of pond, species richness, predator-prey interactions and pond wise different piscicultural practices, the amount of carbon sequestration varied spatially. Significant temporal variations were also observed in each trophic level of these three selected East Kolkata Wetland pond ecosystems. On average primary producers were sequestered 2038.6 ± 244.8mg C m-3 d-1 whereas 307 ± 19.3 mg C m-3 and 11531.4 ± 318.2mg C m-3 was sequestered by primary and secondary consumers, respectively. In Kolkata and its nearby districts over 90% of the production was marked from the East Kolkata Wetland area. Consequently, a significant amount of sequestered carbon was exported from the East Kolkata Wetland ecosystem in the form of fish and this continuous system might increase the carbon sequestration efficiency of the aquatic ecosystem.
[Mh] Termos MeSH primário: Aquicultura
Sequestro de Carbono
Carbono/metabolismo
Peixes/fisiologia
Zonas Úmidas
[Mh] Termos MeSH secundário: Animais
Fitoplâncton/metabolismo
Tanques
Fatores de Tempo
Zooplâncton/metabolismo
[Pt] Tipo de publicação:RESEARCH SUPPORT, NON-U.S. GOV'T; JOURNAL ARTICLE
[Nm] Nome de substância:
7440-44-0 (Carbon)
[Em] Mês de entrada:1802
[Cu] Atualização por classe:180222
[Lr] Data última revisão:
180222
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:171219
[St] Status:MEDLINE


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[PMID]:29351290
[Au] Autor:Dislich C; Hettig E; Salecker J; Heinonen J; Lay J; Meyer KM; Wiegand K; Tarigan S
[Ad] Endereço:Ecosystem Modelling, Faculty of Forest Sciences and Forest Ecology, University of Goettingen, Goettingen, Germany.
[Ti] Título:Land-use change in oil palm dominated tropical landscapes-An agent-based model to explore ecological and socio-economic trade-offs.
[So] Source:PLoS One;13(1):e0190506, 2018.
[Is] ISSN:1932-6203
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:Land-use changes have dramatically transformed tropical landscapes. We describe an ecological-economic land-use change model as an integrated, exploratory tool used to analyze how tropical land-use change affects ecological and socio-economic functions. The model analysis seeks to determine what kind of landscape mosaic can improve the ensemble of ecosystem functioning, biodiversity, and economic benefit based on the synergies and trade-offs that we have to account for. More specifically, (1) how do specific ecosystem functions, such as carbon storage, and economic functions, such as household consumption, relate to each other? (2) How do external factors, such as the output prices of crops, affect these relationships? (3) How do these relationships change when production inefficiency differs between smallholder farmers and learning is incorporated? We initialize the ecological-economic model with artificially generated land-use maps parameterized to our study region. The economic sub-model simulates smallholder land-use management decisions based on a profit maximization assumption. Each household determines factor inputs for all household fields and decides on land-use change based on available wealth. The ecological sub-model includes a simple account of carbon sequestration in above-ground and below-ground vegetation. We demonstrate model capabilities with results on household consumption and carbon sequestration from different output price and farming efficiency scenarios. The overall results reveal complex interactions between the economic and ecological spheres. For instance, model scenarios with heterogeneous crop-specific household productivity reveal a comparatively high inertia of land-use change. Our model analysis even shows such an increased temporal stability in landscape composition and carbon stocks of the agricultural area under dynamic price trends. These findings underline the utility of ecological-economic models, such as ours, to act as exploratory tools which can advance our understanding of the mechanisms underlying the trade-offs and synergies of ecological and economic functions in tropical landscapes.
[Mh] Termos MeSH primário: Arecaceae
Conservação dos Recursos Naturais/métodos
Produtos Agrícolas/economia
Ecossistema
Modelos Teóricos
Óleo de Palmeira
Clima Tropical
[Mh] Termos MeSH secundário: Sequestro de Carbono
[Pt] Tipo de publicação:JOURNAL ARTICLE; RESEARCH SUPPORT, NON-U.S. GOV'T
[Nm] Nome de substância:
5QUO05548Z (Palm Oil)
[Em] Mês de entrada:1802
[Cu] Atualização por classe:180215
[Lr] Data última revisão:
180215
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:180120
[St] Status:MEDLINE
[do] DOI:10.1371/journal.pone.0190506


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[PMID]:29175605
[Au] Autor:Yadav S; Mishra A; Jha B
[Ad] Endereço:Marine Biotechnology and Ecology Division, CSIR-Central Salt and Marine Chemicals Research Institute, G. B. Marg, Bhavnagar, (Gujarat), India. Electronic address: sonamyadav@csmcri.org.
[Ti] Título:Elevated CO leads to carbon sequestration by modulating C photosynthesis pathway enzyme (PPDK) in Suaeda monoica and S. fruticosa.
[So] Source:J Photochem Photobiol B;178:310-315, 2018 Jan.
[Is] ISSN:1873-2682
[Cp] País de publicação:Switzerland
[La] Idioma:eng
[Ab] Resumo:The C halophytic species Suaeda monoica and S. fruticosa, possess the C photosynthesis pathway without Kranz anatomy were grown at ambient (470ppm CO ) and elevated (850ppm CO ) atmospheric CO under control containment facility to study the plant response under CO stress condition. The relative growth of both Suaeda species was enhanced with atmospheric CO enrichment compared to control (ambient) condition. The photosynthesis rate was found 2.5µmolCO m s in both species under stress condition compared to about 1.9µmolCO m s under control conditions. About 0.3molH Om s conductance was detected under an unstressed condition which decreased significantly to ~0.07molH Om s on the 6th day of stress treatment. Similarly, transpiration rate was also decreased significantly from 4.4-5.2mmolH Om s to 1.7-1.9 under stress condition. In contrast, VpdL increased significantly from 1.9kPa to 2.5kPa under stress condition. A higher total chlorophyll content observed in S. monoica (56.36mgg tissue) compared to S. fruticosa (33.12mgg tissue) under unstressed (control) condition. A significant increase was found in the total chlorophyll content of S. fruticosa (45.47mgg tissue) with stress treatment compared to control (33.12mgg tissue). In contrast, the total chlorophyll decreased in S. monoica (51.58mgg tissue) under similar stress condition compared to control plants (56.36mgg tissue). About 6-6.8mg total sugar per gram tissue found under control condition which enhanced further (7.5 to 11mgg tissue) under stress condition. Similarly, total reducing sugar (~2mgg tissue) and total starch content (6.5-11mgg tissue) increased under stress condition. About 6.5- and 3- fold higher expression of PPDK gene was observed for S. monoica and S. fruticosa, respectively under CO stress condition. PPDK (1.2- and 1.5- fold) and antioxidant enzymes; APX (12.7- and two-fold), CAT (2.2- and 6.4- fold) and SOD (4.6- and 94- fold) enhanced significantly in S. fruticosa and S. monoica, respectively under high CO stress condition compared to control plants. Overall, it was observed that PPDK enzyme plays a key role in C photosynthesis pathway and S. monoica is a potential candidate to be explored further for the saline agricultural and CO capture.
[Mh] Termos MeSH primário: Dióxido de Carbono/metabolismo
Chenopodiaceae/metabolismo
Proteínas de Plantas/metabolismo
Piruvato Ortofosfato Diquinase/metabolismo
[Mh] Termos MeSH secundário: Ascorbato Peroxidases/genética
Ascorbato Peroxidases/metabolismo
Sequestro de Carbono
Catalase/genética
Catalase/metabolismo
Chenopodiaceae/crescimento & desenvolvimento
Clorofila/metabolismo
Fotossíntese
Folhas de Planta/metabolismo
Proteínas de Plantas/genética
Piruvato Ortofosfato Diquinase/genética
Amido/metabolismo
Açúcares/metabolismo
Superóxido Dismutase/genética
Superóxido Dismutase/metabolismo
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Plant Proteins); 0 (Sugars); 1406-65-1 (Chlorophyll); 142M471B3J (Carbon Dioxide); 9005-25-8 (Starch); EC 1.11.1.11 (Ascorbate Peroxidases); EC 1.11.1.6 (Catalase); EC 1.15.1.1 (Superoxide Dismutase); EC 2.7.9.1 (Pyruvate, Orthophosphate Dikinase)
[Em] Mês de entrada:1802
[Cu] Atualização por classe:180212
[Lr] Data última revisão:
180212
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:171128
[St] Status:MEDLINE


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[PMID]:28747477
[Au] Autor:Fodrie FJ; Rodriguez AB; Gittman RK; Grabowski JH; Lindquist NL; Peterson CH; Piehler MF; Ridge JT
[Ad] Endereço:Institute of Marine Sciences, University of North Carolina at Chapel Hill, 3431 Arendell Street, Morehead City, NC 28557, USA jfodrie@unc.edu.
[Ti] Título:Oyster reefs as carbon sources and sinks.
[So] Source:Proc Biol Sci;284(1859), 2017 Jul 26.
[Is] ISSN:1471-2954
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:Carbon burial is increasingly valued as a service provided by threatened vegetated coastal habitats. Similarly, shellfish reefs contain significant pools of carbon and are globally endangered, yet considerable uncertainty remains regarding shellfish reefs' role as sources (+) or sinks (-) of atmospheric CO While CO release is a by-product of carbonate shell production (then burial), shellfish also facilitate atmospheric-CO drawdown via filtration and rapid biodeposition of carbon-fixing primary producers. We provide a framework to account for the dual burial of inorganic and organic carbon, and demonstrate that decade-old experimental reefs on intertidal sandflats were net sources of CO (7.1 ± 1.2 MgC ha yr (µ ± s.e.)) resulting from predominantly carbonate deposition, whereas shallow subtidal reefs (-1.0 ± 0.4 MgC ha yr ) and saltmarsh-fringing reefs (-1.3 ± 0.4 MgC ha yr ) were dominated by organic-carbon-rich sediments and functioned as net carbon sinks (on par with vegetated coastal habitats). These landscape-level differences reflect gradients in shellfish growth, survivorship and shell bioerosion. Notably, down-core carbon concentrations in 100- to 4000-year-old reefs mirrored experimental-reef data, suggesting our results are relevant over centennial to millennial scales, although we note that these natural reefs appeared to function as slight carbon sources (0.5 ± 0.3 MgC ha yr ). Globally, the historical mining of the top metre of shellfish reefs may have reintroduced more than 400 000 000 Mg of organic carbon into estuaries. Importantly, reef formation and destruction do not have reciprocal, counterbalancing impacts on atmospheric CO since excavated organic material may be remineralized while shell may experience continued preservation through reburial. Thus, protection of existing reefs could be considered as one component of climate mitigation programmes focused on the coastal zone.
[Mh] Termos MeSH primário: Sequestro de Carbono
Ecossistema
Ostreidae
[Mh] Termos MeSH secundário: Animais
Carbono/química
Dióxido de Carbono/química
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
142M471B3J (Carbon Dioxide); 7440-44-0 (Carbon)
[Em] Mês de entrada:1802
[Cu] Atualização por classe:180202
[Lr] Data última revisão:
180202
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170728
[St] Status:MEDLINE


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[PMID]:28460878
[Au] Autor:Rozaimi M; Fairoz M; Hakimi TM; Hamdan NH; Omar R; Ali MM; Tahirin SA
[Ad] Endereço:School of Environmental and Natural Resource Sciences, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia. Electronic address: mdrozaimi@ukm.edu.my.
[Ti] Título:Carbon stores from a tropical seagrass meadow in the midst of anthropogenic disturbance.
[So] Source:Mar Pollut Bull;119(2):253-260, 2017 Jun 30.
[Is] ISSN:1879-3363
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:Seagrass meadows provide important carbon sequestration services but anthropogenic activities modify the natural ecosystem and inevitably lower carbon storage capacity. The tropical mixed-species meadows in the Sungai Pulai Estuary (Johor, Malaysia) are impacted by such activities. In this study, we provide baseline estimates for carbon stores analysed from sediment cores. In sediment depths up to 100cm, organic (OC) and inorganic carbon (IC) stores were 43-101MgCha and 46-83MgCha , respectively, and are in the lower end of global average values. The bulk of OC (53-98%) originated from seston suggesting that the meadows had low capacity to retain seagrass-derived organic matter. The species factor resulted in some variability in OC stores but did not appear to influence IC values. The low carbon stores in the meadow may be a direct result of sediment disturbances but natural biogeochemical processes are not discounted as possible causal factors.
[Mh] Termos MeSH primário: Carbono/análise
Pradaria
[Mh] Termos MeSH secundário: Sequestro de Carbono
Ecossistema
Sedimentos Geológicos
Malásia
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
7440-44-0 (Carbon)
[Em] Mês de entrada:1712
[Cu] Atualização por classe:171220
[Lr] Data última revisão:
171220
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170503
[St] Status:MEDLINE


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[PMID]:28797887
[Au] Autor:Shao C; Chen J; Chu H; Lafortezza R; Dong G; Abraha M; Batkhishig O; John R; Ouyang Z; Zhang Y; Qi J
[Ad] Endereço:Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing 100081, China.
[Ti] Título:Grassland productivity and carbon sequestration in Mongolian grasslands: The underlying mechanisms and nomadic implications.
[So] Source:Environ Res;159:124-134, 2017 11.
[Is] ISSN:1096-0953
[Cp] País de publicação:Netherlands
[La] Idioma:eng
[Ab] Resumo:BACKGROUND: Quantifying carbon (C) dioxide exchanges between ecosystems and the atmosphere and the underlying mechanism of biophysical regulations under similar environmental conditions is critical for an accurate understanding of C budgets and ecosystem functions. METHODS: For the first time, a cluster of four eddy covariance towers were set up to answer how C fluxes shift among four dominant ecosystems in Mongolia - meadow steppe (MDW), typical steppe (TPL), dry typical steppe (DRT) and shrubland (SHB) during two growing seasons (2014 and 2015). RESULTS: Large variations were observed for the annual net ecosystem exchange (NEE) from 59 to 193gCm , though all four sites acted as a C source. During the two growing seasons, MDW acted as a C sink, TPL and DRT were C neutral, while SHB acted as a C source. MDW to SHB and TPL conversions resulted in a 2.6- and 2.2-fold increase in C release, respectively, whereas the TPL to SHB conversion resulted in a 1.1-fold increase at the annual scale. C assimilation was higher at MDW than those at the other three ecosystems due to its greater C assimilation ability and longer C assimilation times during the day and growing period. On the other hand, C release was highest at SHB due to significantly lower photosynthetic production and relatively higher ecosystem respiration (ER). A stepwise multiple regression analysis showed that the seasonal variations in NEE, ER and gross ecosystem production (GEP) were controlled by air temperature at MDW, while they were controlled mainly by soil moisture at TPL, DRT and SHB. When air temperature increased, the NEE at MDW and TPL changed more dramatically than at DRT and SHB, suggesting not only a stronger C release ability but also a higher temperature sensitivity at MDW and TPL. CONCLUSIONS: The ongoing and predicted global changes in Mongolia likely impact the C exchange at MDW and TPL more than at DRT and SHB in Mongolia. Our results suggest that, with increasing drought and vegetation type succession, a clear trend for greater CO emissions may result in further global warming in the future. This study implies that diverse grassland ecosystems will respond differently to climate change in the future and can be seen as nature-based solutions (NBS) supporting climate change adaptation and mitigation strategies.
[Mh] Termos MeSH primário: Ciclo do Carbono
Sequestro de Carbono
Pradaria
Migrantes
[Mh] Termos MeSH secundário: Conservação dos Recursos Naturais
Mongólia
[Pt] Tipo de publicação:JOURNAL ARTICLE; RESEARCH SUPPORT, NON-U.S. GOV'T
[Em] Mês de entrada:1710
[Cu] Atualização por classe:171120
[Lr] Data última revisão:
171120
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170812
[St] Status:MEDLINE


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[PMID]:28753629
[Au] Autor:Martin-Ortega J; Glenk K; Byg A
[Ad] Endereço:Sustainability Research Institute, School of Earth and Environment, University of Leeds. Leeds, United Kingdom.
[Ti] Título:How to make complexity look simple? Conveying ecosystems restoration complexity for socio-economic research and public engagement.
[So] Source:PLoS One;12(7):e0181686, 2017.
[Is] ISSN:1932-6203
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:Ecosystems degradation represents one of the major global challenges at the present time, threating people's livelihoods and well-being worldwide. Ecosystem restoration therefore seems no longer an option, but an imperative. Restoration challenges are such that a dialogue has begun on the need to re-shape restoration as a science. A critical aspect of that reshaping process is the acceptance that restoration science and practice needs to be coupled with socio-economic research and public engagement. This inescapably means conveying complex ecosystem's information in a way that is accessible to the wider public. In this paper we take up this challenge with the ultimate aim of contributing to making a step change in science's contribution to ecosystems restoration practice. Using peatlands as a paradigmatically complex ecosystem, we put in place a transdisciplinary process to articulate a description of the processes and outcomes of restoration that can be understood widely by the public. We provide evidence of the usefulness of the process and tools in addressing four key challenges relevant to restoration of any complex ecosystem: (1) how to represent restoration outcomes; (2) how to establish a restoration reference; (3) how to cope with varying restoration time-lags and (4) how to define spatial units for restoration. This evidence includes the way the process resulted in the creation of materials that are now being used by restoration practitioners for communication with the public and in other research contexts. Our main contribution is of an epistemological nature: while ecosystem services-based approaches have enhanced the integration of academic disciplines and non-specialist knowledge, this has so far only followed one direction (from the biophysical underpinning to the description of ecosystem services and their appreciation by the public). We propose that it is the mix of approaches and epistemological directions (including from the public to the biophysical parameters) what will make a definitive contribution to restoration practice.
[Mh] Termos MeSH primário: Participação da Comunidade
Conservação dos Recursos Naturais
Ecossistema
Pesquisa
Fatores Socioeconômicos
[Mh] Termos MeSH secundário: Adolescente
Adulto
Idoso
Sequestro de Carbono
Demografia
Feminino
Geografia
Seres Humanos
Masculino
Meia-Idade
Adulto Jovem
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1709
[Cu] Atualização por classe:170929
[Lr] Data última revisão:
170929
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170729
[St] Status:MEDLINE
[do] DOI:10.1371/journal.pone.0181686


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[PMID]:28704565
[Au] Autor:Deyanova D; Gullström M; Lyimo LD; Dahl M; Hamisi MI; Mtolera MSP; Björk M
[Ad] Endereço:Seagrass Ecology & Physiology Research Group, Department of Ecology, Environment and Plant Sciences, Stockholm University, Stockholm, Sweden.
[Ti] Título:Contribution of seagrass plants to CO2 capture in a tropical seagrass meadow under experimental disturbance.
[So] Source:PLoS One;12(7):e0181386, 2017.
[Is] ISSN:1932-6203
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:Coastal vegetative habitats are known to be highly productive environments with a high ability to capture and store carbon. During disturbance this important function could be compromised as plant photosynthetic capacity, biomass, and/or growth are reduced. To evaluate effects of disturbance on CO2 capture in plants we performed a five-month manipulative experiment in a tropical seagrass (Thalassia hemprichii) meadow exposed to two intensity levels of shading and simulated grazing. We assessed CO2 capture potential (as net CO2 fixation) using areal productivity calculated from continuous measurements of diel photosynthetic rates, and estimates of plant morphology, biomass and productivity/respiration (P/R) ratios (from the literature). To better understand the plant capacity to coping with level of disturbance we also measured plant growth and resource allocation. We observed substantial reductions in seagrass areal productivity, biomass, and leaf area that together resulted in a negative daily carbon balance in the two shading treatments as well as in the high-intensity simulated grazing treatment. Additionally, based on the concentrations of soluble carbohydrates and starch in the rhizomes, we found that the main reserve sources for plant growth were reduced in all treatments except for the low-intensity simulated grazing treatment. If permanent, these combined adverse effects will reduce the plants' resilience and capacity to recover after disturbance. This might in turn have long-lasting and devastating effects on important ecosystem functions, including the carbon sequestration capacity of the seagrass system.
[Mh] Termos MeSH primário: Organismos Aquáticos
Dióxido de Carbono/metabolismo
Ecossistema
Pradaria
[Mh] Termos MeSH secundário: Alismatales/crescimento & desenvolvimento
Biomassa
Sequestro de Carbono/fisiologia
Hydrocharitaceae/crescimento & desenvolvimento
Desenvolvimento Vegetal
Brotos de Planta/crescimento & desenvolvimento
Projetos de Pesquisa
Tanzânia
Clima Tropical
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
142M471B3J (Carbon Dioxide)
[Em] Mês de entrada:1709
[Cu] Atualização por classe:171116
[Lr] Data última revisão:
171116
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170714
[St] Status:MEDLINE
[do] DOI:10.1371/journal.pone.0181386


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[PMID]:28681326
[Au] Autor:Li F; Wang L; Zhao Y
[Ad] Endereço:State Key Laboratory of Hydraulic Engineering Simulation and Safety, Tianjin University, Tianjin, 300072, People's Republic of China. lifawen@tju.edu.cn.
[Ti] Título:Evolvement rules of basin flood risk under low-carbon mode. Part I: response of soil organic carbon to land use change and its influence on land use planning in the Haihe basin.
[So] Source:Environ Monit Assess;189(8):377, 2017 Aug.
[Is] ISSN:1573-2959
[Cp] País de publicação:Netherlands
[La] Idioma:eng
[Ab] Resumo:Soil organic carbon (SOC) plays an important role in the global carbon cycle. The aim of this study was to evaluate the response of SOC to land use change and its influence on land use planning in the Haihe basin, and provide planning land use pattern for basin flood risk assessment. Firstly, the areas of different land use types in 1980, 2008, and the planning year (2020) were counted by area statistics function of ArcGIS. Then, the transfer matrixes of land use were produced by spatial overlay analysis function. Lastly, based on the land use maps, soil type map and soil profile database, SOC storage of different land use types in three different periods were calculated. The results showed the patterns of land use have changed a lot from 1980 to 2008, among the 19,835 km of grassland was transformed into forestland, which was the largest conversion landscape. And land use conversion brought the SOC storage changes. Total carbon source was 88.83 Tg, and total carbon sink was 85.49 Tg. So, the Haihe basin presented as a carbon source from 1980 to 2008. From 2008 to 2020, the changes of forestland and grassland are the biggest in Haihe basin, which cause the SOC pool change from a carbon source to a carbon sink. SOC storage will increase from 2420.5 Tg in 2008 to 2495.5 Tg in 2020. The changing trend is conducive to reducing atmospheric concentrations. Therefore, land use planning in Haihe basin is reasonable and can provide the underlying surface condition for flood risk assessment.
[Mh] Termos MeSH primário: Carbono/análise
Monitoramento Ambiental/métodos
Inundações/estatística & dados numéricos
Solo/química
[Mh] Termos MeSH secundário: Ciclo do Carbono
Sequestro de Carbono
China
Florestas
Pradaria
Análise Espacial
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Soil); 7440-44-0 (Carbon)
[Em] Mês de entrada:1709
[Cu] Atualização por classe:171116
[Lr] Data última revisão:
171116
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170707
[St] Status:MEDLINE
[do] DOI:10.1007/s10661-017-6101-5


  10 / 884 MEDLINE  
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[PMID]:28654664
[Au] Autor:Barnes DKA; Sands CJ
[Ad] Endereço:British Antarctic Survey, Natural Environment Research Council, High Cross, Cambridge, United Kingdom.
[Ti] Título:Functional group diversity is key to Southern Ocean benthic carbon pathways.
[So] Source:PLoS One;12(6):e0179735, 2017.
[Is] ISSN:1932-6203
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:High latitude benthos are globally important in terms of accumulation and storage of ocean carbon, and the feedback this is likely to have on regional warming. Understanding this ecosystem service is important but difficult because of complex taxonomic diversity, history and geography of benthic biomass. Using South Georgia as a model location (where the history and geography of benthic biology is relatively well studied) we investigated whether the composition of functional groups were critical to benthic accumulation, immobilization and burial pathway to sequestration-and also aid their study through simplification of identification. We reclassified [1], [2]) morphotype and carbon mass data to 13 functional groups, for each sample of 32 sites around the South Georgia continental shelf. We investigated the influence on carbon accumulation, immobilization and sequestration estimate by multiple factors including the compositions of functional groups. Functional groups showed high diversity within and between sites, and within and between habitat types. Carbon storage was not linked to a functional group in particular but accumulation and immobilization increased with the number of functional groups present and the presence of hard substrata. Functional groups were also important to carbon burial rate, which increased with the presence of mixed (hard and soft substrata). Functional groups showed high surrogacy for taxonomic composition and were useful for examining contrasting habitat categorization. Functional groups not only aid marine carbon storage investigation by reducing time and the need for team size and speciality, but also important to benthic carbon pathways per se. There is a distinct geography to seabed carbon storage; seabed boulder-fields are hotspots of carbon accumulation and immobilization, whilst the interface between such boulder-fields and sediments are key places for burial and sequestration.
[Mh] Termos MeSH primário: Sequestro de Carbono
Ecossistema
[Mh] Termos MeSH secundário: Biodiversidade
Biomassa
Oceanos e Mares
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1709
[Cu] Atualização por classe:170920
[Lr] Data última revisão:
170920
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170628
[St] Status:MEDLINE
[do] DOI:10.1371/journal.pone.0179735



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