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ecosystem services

Yichao Rui, Daniel V Murphy, Xiaoli Wang, Frances C Hoyle
Rebuilding 'lost' soil carbon (C) is a priority in mitigating climate change and underpinning key soil functions that support ecosystem services. Microorganisms determine if fresh C input is converted into stable soil organic matter (SOM) or lost as CO2. Here we quantified if microbial biomass and respiration responded positively to addition of light fraction organic matter (LFOM, representing recent inputs of plant residue) in an infertile semi-arid agricultural soil. Field trial soil with different historical plant residue inputs [soil C content: control (tilled) = 9...
October 18, 2016: Scientific Reports
Lars Grossmann, Daniela Beisser, Christina Bock, Antonis Chatzinotas, Manfred Jensen, Angelika Preisfeld, Roland Psenner, Sven Rahmann, Sabina Wodniok, Jens Boenigk
Inferring ecosystem functioning and ecosystem services through inspections of the species inventory is a major aspect of ecological field studies. Ecosystem functions are often stable despite considerable species turnover. Using metatranscriptome analyses, we analyse a thus-far unparalleled freshwater dataset which comprises 21 mainland European freshwater lakes from the Sierra Nevada (Spain) to the Carpathian Mountains (Romania) and from northern Germany to the Apennines (Italy) and covers an altitudinal range from 38 m above sea level (a...
October 16, 2016: Molecular Ecology
Susanna E Honig, Brenna Mahoney, Jess S Glanz, Brent B Hughes
It is well established that anthropogenic nutrient inputs harm estuarine seagrasses, but the influence of nutrients in rocky intertidal ecosystems is less clear. In this study, we investigated the effect of anthropogenic nutrient loading on Phyllospadix spp., a rocky intertidal seagrass, at local and regional scales. At sites along California, Washington, and Oregon, we demonstrated a significant, negative correlation of urban development and Phyllospadix bed thickness. These results were echoed locally along an urban gradient on the central California coast, where Phyllospadix shoot δ(15)N was negatively associated with Phyllospadix bed thickness, and experimentally, where nutrient additions in mesocosms reduced Phyllospadix shoot formation and increased epiphytic cover on Phyllospadix shoots...
October 13, 2016: Marine Pollution Bulletin
Zenebe Adimassu, Simon Langan, Robyn Johnston, Wolde Mekuria, Tilahun Amede
Research results published regarding the impact of soil and water conservation practices in the highland areas of Ethiopia have been inconsistent and scattered. In this paper, a detailed review and synthesis is reported that was conducted to identify the impacts of soil and water conservation practices on crop yield, surface run-off, soil loss, nutrient loss, and the economic viability, as well as to discuss the implications for an integrated approach and ecosystem services. The review and synthesis showed that most physical soil and water conservation practices such as soil bunds and stone bunds were very effective in reducing run-off, soil erosion and nutrient depletion...
October 13, 2016: Environmental Management
Jordan M West, Catherine A Courtney, Anna T Hamilton, Britt A Parker, Susan H Julius, Jennie Hoffman, Karen H Koltes, Petra MacGowan
The interactive and cumulative impacts of climate change on natural resources such as coral reefs present numerous challenges for conservation planning and management. Climate change adaptation is complex due to climate-stressor interactions across multiple spatial and temporal scales. This leaves decision makers worldwide faced with local, regional, and global-scale threats to ecosystem processes and services, occurring over time frames that require both near-term and long-term planning. Thus there is a need for structured approaches to adaptation planning that integrate existing methods for vulnerability assessment with design and evaluation of effective adaptation responses...
October 12, 2016: Environmental Management
N A Kamenos, G Perna, M C Gambi, F Micheli, K J Kroeker
To understand the effects of ocean acidification (OA) on marine calcifiers, the trade-offs among different sublethal responses within individual species and the emergent effects of these trade-offs must be determined in an ecosystem setting. Crustose coralline algae (CCA) provide a model to test the ecological consequences of such sublethal effects as they are important in ecosystem functioning, service provision, carbon cycling and use dissolved inorganic carbon to calcify and photosynthesize. Settlement tiles were placed in ambient pH, low pH and extremely low pH conditions for 14 months at a natural CO2 vent...
October 12, 2016: Proceedings. Biological Sciences
Lina Mtwana Nordlund, Evamaria W Koch, Edward B Barbier, Joel C Creed
Threats to and loss of seagrass ecosystems globally, impact not only natural resources but also the lives of people who directly or indirectly depend on these systems. Seagrass ecosystems play a multi-functional role in human well-being, e.g. food through fisheries, control of erosion and protection against floods. Quantifying these services reveals their contributions to human well-being and helps justify seagrass conservation. There has been no comprehensive assessment as to whether seagrass ecosystem services are perceived to vary over the globe or amongst genera...
2016: PloS One
Yann Clough, Vijesh V Krishna, Marife D Corre, Kevin Darras, Lisa H Denmead, Ana Meijide, Stefan Moser, Oliver Musshoff, Stefanie Steinebach, Edzo Veldkamp, Kara Allen, Andrew D Barnes, Natalie Breidenbach, Ulrich Brose, Damayanti Buchori, Rolf Daniel, Reiner Finkeldey, Idham Harahap, Dietrich Hertel, A Mareike Holtkamp, Elvira Hörandl, Bambang Irawan, I Nengah Surati Jaya, Malte Jochum, Bernhard Klarner, Alexander Knohl, Martyna M Kotowska, Valentyna Krashevska, Holger Kreft, Syahrul Kurniawan, Christoph Leuschner, Mark Maraun, Dian Nuraini Melati, Nicole Opfermann, César Pérez-Cruzado, Walesa Edho Prabowo, Katja Rembold, Akhmad Rizali, Ratna Rubiana, Dominik Schneider, Sri Sudarmiyati Tjitrosoedirdjo, Aiyen Tjoa, Teja Tscharntke, Stefan Scheu
Smallholder-dominated agricultural mosaic landscapes are highlighted as model production systems that deliver both economic and ecological goods in tropical agricultural landscapes, but trade-offs underlying current land-use dynamics are poorly known. Here, using the most comprehensive quantification of land-use change and associated bundles of ecosystem functions, services and economic benefits to date, we show that Indonesian smallholders predominantly choose farm portfolios with high economic productivity but low ecological value...
October 11, 2016: Nature Communications
Daijun Liu, Joan Llusia, Romà Ogaya, Marc Estiarte, Laura Llorens, Xiaohong Yang, Josep Peñuelas
Warmer temperatures and extended drought in the Mediterranean Basin are becoming increasingly important in determining plant physiological processes and affecting the regional carbon budget. The responses of plant physiological variables such as shoot water potential (Ψ), carbon-assimilation rates (A), stomatal conductance (gs) and intrinsic water-use efficiency (iWUE) to these climatic regimes, however, are not well understood. We conducted long-term (16 years) field experiments with mild nocturnal warming (+0...
November 2016: Plant Science: An International Journal of Experimental Plant Biology
Taylor H Ricketts, Keri B Watson, Insu Koh, Alicia M Ellis, Charles C Nicholson, Stephen Posner, Leif L Richardson, Laura J Sonter
Ecosystem services (ES) are an increasingly popular policy framework for connecting biodiversity with human well-being. These efforts typically assume that biodiversity and ES covary, but the relationship between them remains remarkably unclear. Here we analyse >500 recent papers and show that reported relationships differ among ES, methods of measuring biodiversity and ES, and three different approaches to linking them (spatial correlations, management comparisons and functional experiments). For spatial correlations, biodiversity relates more strongly to measures of ES supply than to resulting human benefits...
October 7, 2016: Nature Communications
Emily Meineke, Elsa Youngsteadt, Robert R Dunn, Steven D Frank
A substantial amount of global carbon is stored in mature trees. However, no experiments to date test how warming affects mature tree carbon storage. Using a unique, citywide, factorial experiment, we investigated how warming and insect herbivory affected physiological function and carbon sequestration (carbon stored per year) of mature trees. Urban warming increased herbivorous arthropod abundance on trees, but these herbivores had negligible effects on tree carbon sequestration. Instead, urban warming was associated with an estimated 12% loss of carbon sequestration, in part because photosynthesis was reduced at hotter sites...
October 12, 2016: Proceedings. Biological Sciences
Silviu O Petrovan, Benedikt R Schmidt
Rare and threatened species are the most frequent focus of conservation science and action. With the ongoing shift from single-species conservation towards the preservation of ecosystem services, there is a greater need to understand abundance trends of common species because declines in common species can disproportionately impact ecosystems function. We used volunteer-collected data in two European countries, the United Kingdom (UK) and Switzerland, since the 1970s to assess national and regional trends for one of Europe's most abundant amphibian species, the common toad (Bufo bufo)...
2016: PloS One
Maike Hamann, Reinette Biggs, Belinda Reyers
We take a social-ecological systems perspective to investigate the linkages between ecosystem services and human well-being in South Africa. A recent paper identified different types of social-ecological systems in the country, based on distinct bundles of ecosystem service use. These system types were found to represent increasingly weak direct feedbacks between nature and people, from rural "green-loop" communities to urban "red-loop" societies. Here we construct human well-being bundles and explore whether the well-being bundles can be used to identify the same social-ecological system types that were identified using bundles of ecosystem service use...
2016: PloS One
Sebastián Horacio Villarino, Guillermo Alberto Studdert, Pablo Baldassini, María Gabriela Cendoya, Lucía Ciuffoli, Matias Mastrángelo, Gervasio Piñeiro
Land use change affects soil organic carbon (SOC) and generates CO2 emissions. Moreover, SOC depletion entails degradation of soil functions that support ecosystem services. Large areas covered by dry forests have been cleared in the Semiarid Chaco Region of Argentina for cropping expansion. However, deforestation impacts on the SOC stock and its distribution in the soil profile have been scarcely reported. We assessed these impacts based on the analysis of field data along a time-since-deforestation-for-cropping chronosequence, and remote sensing indices...
September 29, 2016: Science of the Total Environment
Deborah G De La Riva, Kristen R Hladun, Beatriz G Vindiola, John T Trumble
The selenium contamination event that occurred at Kesterson Reservoir (Merced Co., CA) during the 1970-80s is a frequently cited example for the negative effects of contamination on wildlife. Despite the importance of arthropods for ecosystem services and functioning, relatively little information is available as to the impacts of pollution on arthropod community dynamics. We conducted surveys of the arthropod community present at Kesterson Reservoir to assess the impacts of selenium contamination on arthropod diversity, with a focus on ant species richness, composition and density...
September 29, 2016: Environmental Pollution
Mohit Sharma, G Areendran, Krishna Raj, Ankita Sharma, P K Joshi
Forests in the mountains are a treasure trove; harbour a large biodiversity; and provide fodder, firewood, timber and non-timber forest products; all of these are essential for human survival in the highest mountains on earth. The present paper attempts a spatiotemporal assessment of forest fragmentation and changes in land use land cover (LULC) pattern using multitemporal satellite data over a time span of around a decade (2000-2009), within the third highest protected area (PA) in the world. The fragmentation analysis using Landscape Fragmentation Tool (LFT) depicts a decrease in large core, edge and patches areas by 5...
October 2016: Environmental Monitoring and Assessment
Taylor J Noble, Christopher J Lortie, Michael Westphal, H Scott Butterfield
BACKGROUND: Carrizo Plain National Monument (San Joaquin Desert, California, USA) is home to many threatened and endangered species including the blunt-nosed leopard lizard (Gambelia sila). Vegetation is dominated by annual grasses, and shrubs such as Mormon tea (Ephedra californica), which is of relevance to our target species, the federally listed blunt-nosed leopard lizard, and likely also provides key ecosystem services. We used relatively nonintrusive camera traps, or trail cameras, to capture interactions between animals and these shrubs using a paired shrub-open deployment...
September 27, 2016: GigaScience
Camino Liquete, Chiara Piroddi, Diego Macías, Jean-Noël Druon, Grazia Zulian
Mediterranean ecosystems support important processes and functions that bring direct benefits to human society. Yet, marine ecosystem services are usually overlooked due to the challenges in identifying and quantifying them. This paper proposes the application of several biophysical and ecosystem modelling approaches to assess spatially and temporally the sustainable use and supply of selected marine ecosystem services. Such services include food provision, water purification, coastal protection, lifecycle maintenance and recreation, focusing on the Mediterranean region...
September 30, 2016: Scientific Reports
Stephen Cioccio, Yamini Gopalapillai, Tereza Dan, Beverley Hale
Remediation of soils elevated in trace metals so that they may provide ecosystems services is typically achieved through pH adjustment or addition of sorbents. The present study aimed to generate higher-tier in situ toxicity data for elevated Ni in soils with and without lime addition, and explore the effect of liming on soil chemistry and bioavailability of Ni to plants. A multi-year study of agronomic yield of field-grown oat and soybean occurred in three adjacent fields that had received air emissions from a Ni refinery for 66 years...
September 29, 2016: Environmental Toxicology and Chemistry
C M Silva-Neto, L L Bergamini, M A S Elias, G L Moreira, J M Morais, B A R Bergamini, E V Franceschinelli
Pollinators provide an essential service to natural ecosystems and agriculture. In tomatoes flowers, anthers are poricidal, pollen may drop from their pore when flowers are shaken by the wind. However, bees that vibrate these anthers increase pollen load on the stigma and in fruit production. The present study aimed to identify the pollinator richness of tomato flowers and investigate their morphological and functional traits related to the plant-pollinator interaction in plantations of Central Brazil. The time of anthesis, flower duration, and the number and viability of pollen grains and ovules were recorded...
September 26, 2016: Brazilian Journal of Biology, Revista Brasleira de Biologia
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