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  • Journals
  • Articles  (131)
  • Open Access-Papers  (131)
  • 2015-2019  (131)
  • 2017  (131)
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  • Articles  (131)
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  • 2015-2019  (131)
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  • 1
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    Geoethics in Science Communication: The Relationship between Media and Geoscientists (2017)
    Istituto Nazionale di Geofisica e Vulcanologia
    Details
    Publication Date: 2017-11-15
    Description: The themes addressed by geoethics are becoming central to all scientific debate. A growing number of scientists now consider geoethics as an effective tool to increase, in the scientific community and society as a whole, the awareness of local and global environmental problems that humanity faces. Geoethics deals with ethical, social and cultural aspects related to geosciences. Geoethics addresses fundamental issues such as the prudent and sustainable use of geo-resources, management of natural hazards, defence of geoheritage as a common value to be protected and enhanced. But above all, geoethics aims to raise, in the community of geoscientists, their awareness of responsibilities in conducting scientific and professional activity. In order to extend this awareness to the whole of civil society and also to foster the recognition of the usefulness of geosciences in daily life, geoscience communication should be recognized as a fundamental activity connected with scientific and professional work, since geoscience knowledge is a tool to contribute to the construction of social knowledge for human communities. But today what is the role played by geosciences in the scientific mass culture? Are the geosciences part of a collective “cultural heritage”? Do the publishing world and media offer adequate space to geosciences? Through the analysis of two Italian case studies, the authors highlight the critical features of the relationship between geoscientists and the media and try to suggest some actions that are useful to make the relationship between these two separate fields more functional, with the goal of bringing citizens closer to geosciences and increasing the awareness of the individual and collective responsibility towards the Earth.
    Description: IAPG - International Association for Promoting Geoethics
    Description: Published
    Description: 2TM. Divulgazione Scientifica
    Description: 3TM. Comunicazione
    Description: 1VV. Altro
    Description: JCR Journal
    Keywords: geoethics ; science communication ; media ; geoscientists ; web churnalism ; 05.03. Educational, History of Science, Public Issues ; 05.09. Miscellaneous
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 2
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    Stability of marine phytoplankton communities facing stress related to global change: Interactive effects of heat waves and turbidity (2017)
    ELSEVIER SCIENCE BV
    In:  EPIC3Journal of Experimental Marine Biology and Ecology, ELSEVIER SCIENCE BV, 497, pp. 219-229, ISSN: 0022-0981
    Details
    Publication Date: 2017-11-21
    Description: According to climate models, coastal ecosystems will face an increased frequency of heat waves and increased turbidity due to terrestrial sediment run-off induced by increasing precipitation. Several studies have examined the effects of heat waves and turbidity separately, whereas this study analysed the individual effects of both stressors as well as their interaction, because stressors affect communities differently when acting in combination. Using a factorial experimental design, we simulated heat waves (22 °C and 26 °C compared to an 18 °C control) and turbidity (sediment addition). The response of the phytoplankton community was analysed for the aggregate parameters biovolume and diversity index (H′), as well as for community composition. Heat waves had a significant negative effect on biovolume, whereas turbidity tended to affect biovolume positively. Repeated measures ANOVA revealed significant interactions of heat waves and turbidity for H′ and community composition. Strong heat waves (26 °C) alleviated the otherwise positive effect of turbidity on H′, i.e. highest diversity remained in the turbid control. Diatoms gained dominance in the control and the 22 °C heat wave treatment with Cylindrotheca closterium being the successful competitor. At 26 °C this species was lost and small flagellates dominated the experimental communities. Future increases in heat wave intensity and frequency may thus induce major changes in phytoplankton community structure whereas algae might profit from increased turbidity as an additional source of nutrients.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
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  • 3
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    The importance of mesozooplankton in management decisions concerning the South-Eastern Weddell Sea. Assessing the contribution of mesozooplankton to the biomass availability for higher trophic levels and its relation with sea ice (2017)
    Van Hall Larenstein
    In:  EPIC3Van Hall Larenstein, 51 p.
    Details
    Publication Date: 2020-10-12
    Description: The Southern Ocean is one of the harshest environments on the earth, yet it thrives with life. Krill is thought to be the pivotal organism in the Southern Ocean food web, as it channels the carbon produced by algae to higher trophic levels. However, mesozooplankton probably has a similar function in the Southern Ocean ecosystem. The ecosystem based management which is operated in the Southern Ocean focusses on krill and often neglects other carbon pathways. This study is set up to analyse how important mesozooplankton is in the food web of the south-eastern Weddell Sea, how its abundance and community structure is related to sea-ice and what this implies for the future management of the Southern Ocean. To answer these questions a combination of state-of-the-art research methods were used, including a size-class based approach in combination with C:N ratio analysis, bulk-stable isotope analysis, taxonomic analysis and literature studies. The biomass of mesozooplankton was found to exceed the biomass of krill in the Weddell Sea sampling area, and therefore has a higher contribution to the carrying capacity of the ecosystem. The most abundant mesozooplankton species was Calanoides acutus which corresponded with the size fraction with the highest biomass, namely 1000 μm. The undersea-ice mesozooplankton community (0-2 meter) was significantly different than in the 0-50 water depth layer. The C:N ratio was the highest in the 250 μm size fraction in the 0-2 meter. Regarding environmental variables, the interaction of chlorophyll a and sea-ice ridges best explained the species distribution of the 0-2 meter water layer. Species from the 0-2 meter depth stratum were found to be more dependent on sea-ice algae than the species in the 0-50 meter depth stratum. The health indicators of CCAMLR do not cover the whole ecosystem, as only high trophic level species are used. (Meso)zooplankton would be a good bottom-up health indicator, functioning as early warning indicator. Mesozooplankton and sea ice both fit in the WSMPA criteria and the general objectives of the WSMPA. It is concluded that mesozooplankton should be monitored and used as a health indicator for the ecosystem in the WSMPA.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Thesis , notRev
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  • 4
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    Flexible reaction norms to environmental variables along the migration route and the significance of stopover duration for total speed of migration in a songbird migrant (2017)
    In:  EPIC3Frontiers in Zoology, 14(1), ISSN: 1742-9994
    Details
    Publication Date: 2021-05-19
    Description: Background Predicting the consequences of continuing anthropogenic changes in the environment for migratory behaviours such as phenology remains a major challenge. Predictions remain particularly difficult, because our knowledge is based on studies from single-snapshot observations at specific stopover sites along birds’ migration routes. However, a general understanding on how birds react to prevailing environmental conditions, e.g. their ‘phenotypic reaction norm’, throughout the annual cycle and along their entire migration routes is required to fully understand how migratory birds respond to rapid environmental change. Results Here, we provide direct evidence that northern wheatears (Oenanthe oenanthe) from a breeding population in Alaska adjusted their probability to resume migration as well as the distance covered per night, i.e. travel speed, to large-scale environmental conditions experienced along their 15,000 km migratory route on both northwards and southwards migrations. These adjustments were found to be flexible in space and time. At the beginning of autumn migration, northern wheatears showed high departure probabilities and high travel speeds at low surface air temperatures, while far away from Alaska both traits decreased with increasing air temperatures. In spring, northern wheatears increasingly exploited flow assistance with season, which is likely a behavioural adjustment to speed up migration by increasing the distance travelled per night. Furthermore, the variation in total stopover duration but not in travel speed had a significant effect on the total speed of migration, indicating the prime importance of total stopover duration in the overall phenology of bird migration. Conclusion Northern wheatears from Alaska provide evidence that the phenotypic reaction norm to a set of environmental conditions cannot be generalized to universal and persistent behavioural reaction pattern across entire migratory pathways. This highlights the importance of full annual-cycle studies on migratory birds to better understand their response to the environment. Understanding the mechanisms behind phenotypic plasticity during migration is particularly important in the assessment of whether birds can keep pace with the potentially increasing phenological mismatches observed on the breeding grounds.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
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  • 5
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    What is a sustainable level of timber consumption in the EU : toward global and EU benchmarks for sustainable forest use (2017)
    Details
    Publication Date: 2021-05-07
    Description: Renewable energy targets in the European Union (EU) have raised the demand for timber and are expected to increase dependence on imports. However, EU timber consumption levels are already disproportionally high compared to the rest of the world. The question is, how much timber is available for the EU to sustainably harvest and import, in particular considering sustainable forest management practices, a safe operating space for land-system change, and the global distribution of "common good" resources. This article approaches this question from a supply angle to develop a reference value range for the current as well as future sustainable supply of timber at the EU-27 and global levels. For current supply estimates, national-level data on forest area available for wood supply, productivity in that area, as well as the rate available for harvest were collected and aggregated into three potential supply scenarios. For future supply estimates, a safe operating space scenario halting land use change, a sensitivity analysis, and a literature review were performed. To provide both a comparison of global versus EU sustainable supply capacities and to develop a benchmark toward evaluating and comparing levels of consumption to sustainable supply capacities, per capita calculations were made. Results revealed that the per capita sustainable supply potential of EU forests is estimated to be around three times higher than the global average in 2050. Whether a global or EU reference value is more appropriate for EU policy orientation, considering both strengthened economic and cultural ties to the forest in forest-rich countries as well as the need to prevent problem shifting associated with exporting land demands abroad, is discussed. Further research is needed to strengthen and harmonize data, improve methods for modeling future scenarios and incorporate interdisciplinary and multi-stakeholder perspectives toward the development of robust and politically relevant reference values for sustainable consumption levels.
    Keywords: ddc:600
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: English
    Type: article , doc-type:article
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  • 6
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    Assessing the sustainability of EU timber consumption trends : comparing consumption scenarios with a safe operating space scenario for global and EU timber supply (2017)
    Details
    Publication Date: 2021-05-07
    Description: The growing demand for wood to meet EU renewable energy targets has increasingly come under scrutiny for potentially increasing EU import dependence and inducing land use change abroad, with associated impacts on the climate and biodiversity. This article builds on research accounting for levels of primary timber consumption - e.g., toward forest footprints - and developing reference values for benchmarking sustainability - e.g., toward land use targets - in order to improve systemic monitoring of timber and forest use. Specifically, it looks at future trends to assess how current EU policy may impact forests at an EU and global scale. Future demand scenarios are based on projections derived and adapted from the literature to depict developments under different scenario assumptions. Results reveal that by 2030, EU consumption levels on a per capita basis are estimated to be increasingly disproportionate compared to the rest of the world. EU consumption scenarios based on meeting around a 40% share of the EU renewable energy targets with timber would overshoot both the EU and global reference value range for sustainable supply capacities in 2030. Overall, findings support literature pointing to an increased risk of problem shifting relating to both how much and where timber needed for meeting renewable energy targets is sourced. It is argued that a sustainable level of timber consumption should be characterized by balance between supply (what the forest can provide on a sustainable basis) and demand (how much is used on a per capita basis, considering the concept of fair shares). To this end, future research should close data gaps, increase methodological robustness and address the socio-political legitimacy of the safe operating space concept towards targets in the future. A re-use of timber within the economy should be supported to increase supply options.
    Keywords: ddc:600
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: English
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  • 7
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    A lake-centric geospatial database to guide research and inform management decisions in an Arctic watershed in northern Alaska experiencing climate and land-use changes (2017)
    In:  EPIC3Ambio, ISSN: 0044-7447
    Details
    Publication Date: 2017-03-29
    Description: Lakes are dominant and diverse landscape features in the Arctic, but conventional land cover classification schemes typically map them as a single uniform class. Here, we present a detailed lake-centric geospatial database for an Arctic watershed in northern Alaska. We developed a GIS dataset consisting of 4362 lakes that provides information on lake morphometry, hydrologic connectivity, surface area dynamics, surrounding terrestrial ecotypes, and other important conditions describing Arctic lakes. Analyzing the geospatial database relative to fish and bird survey data shows relations to lake depth and hydrologic connectivity, which are being used to guide research and aid in the management of aquatic resources in the National Petroleum Reserve in Alaska. Further development of similar geospatial databases is needed to better understand and plan for the impacts of ongoing climate and land-use changes occurring across lake-rich landscapes in the Arctic.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev , info:eu-repo/semantics/article
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  • 8
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    Strategy and Implementation Plan 2016-2020 for the Global Terrestrial Network for Permafrost (GTN-P) (2017)
    The George Washington University, Washington D.C.
    In:  EPIC3Strategy and Implementation Plan 2016-2020 for the Global Terrestrial Network for Permafrost (GTN-P), The George Washington University, Washington D.C., 42 p.
    Details
    Publication Date: 2017-11-17
    Repository Name: EPIC Alfred Wegener Institut
    Type: Miscellaneous , notRev
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  • 9
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    Vision development towards a sustainable North Rhine-Westphalia 2030 in a science-practice-dialogue (2017)
    Details
    Publication Date: 2021-05-07
    Description: The paper presents the results of a participatory vision development process in the Federal State of North Rhine-Westphalia (NRW) in Germany. The vision development was part of a scientific research project that accompanied the development of a sustainability strategy for NRW at state level. The Sustainability Strategy NRW was adopted in July 2016 and contains parts of the vision developed in the research project: Sentences from the narrative text vision and proposed targets and indicators that back-up the vision for a sustainable NRW in 2030 were used by the state of NRW. The vision was developed in iterative steps in three consecutive dialogue rounds with different stakeholders from science and practice. The paper presents the methodological approach and the results of the vision formulation process. The paper discusses the lessons learned from the vision development - from both practical and theoretical perspectives of transition management. The paper explores the relevance of setting ambitious targets for sustainable development as part of a state strategy by taking the proposed target of a "4 × 25% modal split" by 2030 as an example. The project demonstrated that a participatory approach for vision development is time and resource consuming, but worth the effort as it improves the quality and acceptance of a vision. Furthermore, the project demonstrated that transformative science contributes valuable inputs for sustainability transitions and for facilitating participatory vision development.
    Keywords: ddc:320
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: English
    Type: article , doc-type:article
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  • 10
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    A global multiproxy database for temperature reconstructions of the Common Era (2017)
    Nature Publishing Group
    In:  EPIC3Scientific Data, Nature Publishing Group, 4(170088), pp. 1-33, ISSN: 2052-4463
    Details
    Publication Date: 2017-07-21
    Description: Reproducible climate reconstructions of the Common Era (1 CE to present) are key to placing industrial-era warming into the context of natural climatic variability. Here we present a community-sourced database of temperature-sensitive proxy records from the PAGES2k initiative. The database gathers 692 records from 648 locations, including all continental regions and major ocean basins. The records are from trees, ice, sediment, corals, speleothems, documentary evidence, and other archives. They range in length from 50 to 2000 years, with a median of 547 years, while temporal resolution ranges from biweekly to centennial. Nearly half of the proxy time series are significantly correlated with HadCRUT4.2 surface temperature over the period 1850–2014. Global temperature composites show a remarkable degree of coherence between high- and low-resolution archives, with broadly similar patterns across archive types, terrestrial versus marine locations, and screening criteria. The database is suited to investigations of global and regional temperature variability over the Common Era, and is shared in the Linked Paleo Data (LiPD) format, including serializations in Matlab, R and Python.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
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