Bibliografías temáticas / Biotic communities

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  2. Tesis
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Literatura académica sobre el tema "Biotic communities"

Autor: Grafiati
Publicado: 4 de junio de 2021
Última modificación: 30 de julio de 2024

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Artículos de revistas sobre el tema "Biotic communities"

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Bennett, Bradley C., S. Kawano, J. H. Connell, and T. Hidaka. "Evolution and Coadaptation in Biotic Communities." Brittonia 42, no. 1 (January 1990): 11. http://dx.doi.org/10.2307/2807020.

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Permogorskiy, M. S. "Competitive intransitivity among species in biotic communities." Biology Bulletin Reviews 5, no. 3 (May 2015): 213–19. http://dx.doi.org/10.1134/s2079086415030068.

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Wang, Yonghui, Xiaxia Niu, Liqing Zhao, Cunzhu Liang, Bailing Miao, Qing Zhang, Jinghui Zhang, Bernhard Schmid, and Wenhong Ma. "Biotic stability mechanisms in Inner Mongolian grassland." Proceedings of the Royal Society B: Biological Sciences 287, no. 1928 (June 3, 2020): 20200675. http://dx.doi.org/10.1098/rspb.2020.0675.

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Biotic mechanisms associated with species diversity are expected to stabilize communities in theoretical and experimental studies but may be difficult to detect in natural communities exposed to large environmental variation. We investigated biotic stability mechanisms in a multi-site study across Inner Mongolian grassland characterized by large spatial variations in species richness and composition and temporal fluctuations in precipitation. We used a new additive-partitioning method to separate species synchrony and population dynamics within communities into different species-abundance grou
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Warwick, R., M. J. S. Tevesz, and P. L. McCall. "Biotic Interactions in Recent and Fossil Benthic Communities." Journal of Applied Ecology 22, no. 1 (April 1985): 293. http://dx.doi.org/10.2307/2403353.

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Broughton, Jack M., Brian F. Codding, J. Tyler Faith, Kathryn A. Mohlenhoff, Ruth Gruhn, Joan Brenner-Coltrain, and Isaac A. Hart. "El Niño frequency threshold controls coastal biotic communities." Science 377, no. 6611 (September 9, 2022): 1202–5. http://dx.doi.org/10.1126/science.abm1033.

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El Niño has profound influences on ecosystem dynamics. However, we know little about how it shapes vertebrate faunal community composition over centennial time scales, and this limits our ability to forecast change under projections of future El Niño events. On the basis of correlations between geological records of past El Niño frequency and the species composition of bird and fish remains from a Baja California bone deposit that spans the past 12,000 years, we documented marked faunal restructuring when major El Niño events occurred more than five times per century. This tipping point has im
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Schmid, Rudolf, David E. Brown, and Charles H. Lowe. "Biotic Communities: Southwestern United States and Northwestern Mexico." Taxon 44, no. 4 (November 1995): 659. http://dx.doi.org/10.2307/1223522.

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Fraser, Danielle, and S. Kathleen Lyons. "Biotic interchange has structured Western Hemisphere mammal communities." Global Ecology and Biogeography 26, no. 12 (November 16, 2017): 1408–22. http://dx.doi.org/10.1111/geb.12667.

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Hagberg, Jacob, Niclas Jonzén, Per Lundberg, and Jörgen Ripa. "Uncertain biotic and abiotic interactions in benthic communities." Oikos 100, no. 2 (February 2003): 353–61. http://dx.doi.org/10.1034/j.1600-0706.2003.12138.x.

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Semenchenko, Vitaliy P., Vladimir I. Razlutskij, Irina Yu Feniova, and Denis N. Aibulatov. "Biotic relations affecting species structure in zooplankton communities." Hydrobiologia 579, no. 1 (December 12, 2006): 219–31. http://dx.doi.org/10.1007/s10750-006-0411-x.

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Tóth, Anikó B., S. Kathleen Lyons, W. Andrew Barr, Anna K. Behrensmeyer, Jessica L. Blois, René Bobe, Matt Davis, et al. "Reorganization of surviving mammal communities after the end-Pleistocene megafaunal extinction." Science 365, no. 6459 (September 19, 2019): 1305–8. http://dx.doi.org/10.1126/science.aaw1605.

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Large mammals are at high risk of extinction globally. To understand the consequences of their demise for community assembly, we tracked community structure through the end-Pleistocene megafaunal extinction in North America. We decomposed the effects of biotic and abiotic factors by analyzing co-occurrence within the mutual ranges of species pairs. Although shifting climate drove an increase in niche overlap, co-occurrence decreased, signaling shifts in biotic interactions. Furthermore, the effect of abiotic factors on co-occurrence remained constant over time while the effect of biotic factor
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Tesis sobre el tema "Biotic communities"

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Henriksson, Anna. "Biotic resistance in freshwater fish communities." Doctoral thesis, Umeå universitet, Institutionen för ekologi, miljö och geovetenskap, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-110251.

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Invasions of non-native species cause problems in ecosystems worldwide, and despite the extensive effort that has been put into research about invasions, we still lack a good understanding for why some, but not other, communities resist these invasions. In this doctoral thesis I test hypotheses on biotic resistance using a large dataset of more than 1000 both failed and successful introductions of freshwater fish into Swedish lakes. We have found that the classic species richness hypothesis is a poor descriptor of introduction success because it fails to acknowledge that resident species contr
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Ricks, Kevin Daniel. "Biotic Filtering in Endophytic Fungal Communities." BYU ScholarsArchive, 2018. https://scholarsarchive.byu.edu/etd/6871.

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Plants can be colonized by complex communities of endophytic fungi. This thesis presents two studies, both of which investigate biotic filtering in endophytic fungal communities. Chapter 1. Endophytic fungi can be acquired horizontally via propagules produced in the environment such as in plant litters of various species. Given that litters from different plant species harbor distinct endophytic fungal communities and that endophytic fungi may be dispersal-limited, the structure of the endophytic fungal community of a given plant may be determined by proximity to particular inoculum sources. C
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MacDonald, Arthur Andrew Meahan. "Abiotic and biotic factors creating variation among bromeliad communities." Thesis, University of British Columbia, 2016. http://hdl.handle.net/2429/58954.

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Many ecological communities show variation from place to place; understanding the causes of this variation is the goal of community ecology. Differences in community composition will be the result of both stochastic and deterministic processes. However, it is difficult to know to what degree deterministic processes will shape community composition. In this thesis I combined observational and experimental approaches to quantify deterministic processes within a particular ecological community -- they phytotelmata of bromeliad plants. In my thesis I describe three studies at different scales of o
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Theron, Leon-Jacques. "Distribution and abundance of rodents, millipedes and trees in coastal dune forests in northern KwaZulu-Natal." Pretoria : [s.n.], 2006. http://upetd.up.ac.za/thesis/available/03292006-103859.

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Waterhouse, Martin. "On the edge : peripheral communities and marginal anthropology." Thesis, University of South Wales, 2002. https://pure.southwales.ac.uk/en/studentthesis/on-the-edgeperipheral-communities-and-marginal-anthropology(ef955531-baf0-445a-9e41-6720a9874a88).html.

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This is a study of people, place, and cultural "identity" in two small parishes that are geographically on the periphery of the United Kingdom. Both are coastal parishes: one is in South-west Wales overlooking the Irish Sea and the other is one of the islands comprising The Orkney archipelago.' This is also a work of marginal anthropology (Fox, 1975) that discusses both conventional and more experimental "ways of telling" in an attempt to interpret human social behaviour.
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Karsten, Jennifer. "Teaching about complexity in primary and secondary schools : an exploration of new approaches to ecosystem education." Thesis, McGill University, 2004. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=85174.

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The purpose of this research was to investigate ways in which complexity could be used as the paradigm through which schoolchildren might understand ecosystems in a new way. To that end, new conceptual and practical approaches for learning about ecosystems have been presented, and the effects of these approaches on teachers and other educational stakeholders have been explored. A variety of learning environments were visited and over two hundred educational stakeholders were consulted. This resulted in a number of suggestions on and a discussion of the introduction of complexity, as a l
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Fultz, Jessica Erin. "Effects of shelterwood management on flower-visiting insects and their floral resources." Thesis, Montana State University, 2005. http://etd.lib.montana.edu/etd/2005/fultz/FultzJ0805.pdf.

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Shanmuganathan, Subana. "Soft systems analysis of ecosystems thesis submitted to Auckland University of Technology in fulfillment of the degree of Doctor of Philosophy, 2004." Full thesis. Abstract, 2004.

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Boller, Michael Louis. "Hydrodynamics of marine macroalgae : biotic and physical determinants of drag /." View online ; access limited to URI, 2005. http://0-wwwlib.umi.com.helin.uri.edu/dissertations/dlnow/3188836.

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Jaeger, Andrea L. "Invasive species impacts on ecosystem structure and function." Diss., Connect to online resource - MSU authorized users, 2006.

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Libros sobre el tema "Biotic communities"

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Martin, Norman Duncan. Biotic forest communities of Ontario. 3rd ed. Belleville, Ont: Commonwealth Research, 2001.

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1936-, Kawano Shōichi, Connell Joseph H, and Hidaka Toshitaka 1930-, eds. Evolution and coadaptation in biotic communities. [Tokyo]: University of Tokyo Press, 1987.

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1955-, Reichenbacher Frank, and Franson Susan E. 1953-, eds. A classification of North American biotic communities. Salt Lake City: University of Utah Press, 1998.

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Theberge, John B. Keele Peak resource survey: Biotic aspects. Waterloo, Ont: President's Committee on Northern Studies, University of Waterloo, 1986.

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Bastedo, Jamie. Aishihik Lake resource survey: Biotic aspects. Waterloo, Ont: President's Committee on Northern Studies, University of Waterloo, 1986.

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Theberge, John B. Kluane North resource survey: Biotic aspects. Waterloo, Ont: President's Committee on Northern Studies, University of Waterloo, 1986.

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Keller, David R. Ecology and Justice—Citizenship in Biotic Communities. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-11636-1.

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Martin, Norman Duncan. Handbook of biotic forest communities of Ontario. 2nd ed. Belleville, Ont: Commonwealth Research, 1994.

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Paul, Nelson. The terrestrial natural communities of Missouri. Jefferson City, Mo: Missouri Dept. of Natural Resources, 1985.

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Reschke, Carol. Ecological communities of New York state. Latham, NY (700 Troy-Schenectady Rd., Latham 12110-2400): New York Natural Heritage Program, N.Y.S. Dept. of Environmental Conservation, 1990.

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Capítulos de libros sobre el tema "Biotic communities"

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Griffiths, Mel, and Lynnell Rubright. "Biotic Communities." In Colorado, 61–81. 1. Colorado—Description and travel—1981- . I. Rubright, Lynnell. II. Title. III. Series. F781.3.G74 1983 978.8 83-10180: Routledge, 2019. http://dx.doi.org/10.4324/9780429049422-4.

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Heckman, Charles W. "Biotic communities." In Monographiae Biologicae, 388–417. Dordrecht: Springer Netherlands, 1998. http://dx.doi.org/10.1007/978-94-017-3423-3_9.

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Spellerberg, Ian F. "Ecological evaluation of biotic communities." In Evaluation and Assessment for Conservation, 113–69. Dordrecht: Springer Netherlands, 1992. http://dx.doi.org/10.1007/978-94-011-2302-0_5.

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van de Koppel, Johan, Jelte van Andel, and Arjen Biere. "Ecology of Ecosystems and Biotic Communities." In Restoration Ecology, 59–72. Chichester, UK: John Wiley & Sons, Ltd, 2012. http://dx.doi.org/10.1002/9781118223130.ch6.

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Wootton, R. J. "Biotic Factors and the Structure of Fish Communities." In Fish Ecology, 59–76. Dordrecht: Springer Netherlands, 1992. http://dx.doi.org/10.1007/978-94-011-3832-1_3.

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Callaway, Ragan M., and Jacob E. Lucero. "Soil biota and non-native plant invasions." In Plant invasions: the role of biotic interactions, 45–66. Wallingford: CABI, 2020. http://dx.doi.org/10.1079/9781789242171.0045.

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Abstract The trajectory of plant invasions - for better or for worse - can be tied to interactions between plants and the soil community. Here, we highlight five broad ways in which belowground interactions can influence the trajectory of biological invasions by non-native plant species. First, many non-native plant species in their non-native ranges can interact very differently with the resident soil community than do native species. Second, non-native plant species often interact very differently with the soil community in their non-native ranges than in their native ranges, which can result in enemy release from antagonistic interactions. Third, non-native plant species can cultivate a soil community that disproportionately harms native competitors in invaded communities. Fourth, antagonistic soil biota in invaded communities can reduce the performance of non-native plant species, resulting in meaningful biotic resistance against invasion. Fifth, besides or in addition to antagonistic interactions with soil biota, soil mutualisms can promote the success of invasive plant species (i) when mutualists co-invade with non-native plant species that require obligate specialist mutualists, (ii) when mutualists enhance the performance of non-native plant species in their non-native ranges, and (iii) when biotic interactions in the invaded community suppress the soil mutualists of native plant species. We conclude that management practices aimed at manipulating plant - soil interactions have considerable potential to help control plant invasions, but further work is needed to understand the spatial, temporal, taxonomic and biogeographic drivers of context dependence in interactions among plants and soil biota.
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Kaiser-Bunbury, Christopher N., and Benno I. Simmons. "Restoration of pollination interactions in communities invaded by non-native plants." In Plant invasions: the role of biotic interactions, 377–90. Wallingford: CABI, 2020. http://dx.doi.org/10.1079/9781789242171.0377.

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Abstract Invasive plant species degrade and homogenize ecosystems worldwide, thereby altering ecosystem processes and function. To mitigate and reverse the impact of invasive plants on pollination, a key ecosystem function, conservation scientists and practitioners restore ecological communities and study the impact of such management interventions on plant-pollinator communities. Here, we describe opportunities and challenges associated with restoring pollination interactions as part of a holistic ecosystem-based restoration approach. We introduce a few general concepts in restoration ecology, and outline best planning and evaluation practices of restoring pollination interactions on the community level. Planning involves the selection of suitable plant species to support diverse pollinator communities, which includes considerations of the benefits and disadvantages of using native vs exotic, and bridge and framework plant species for restoration. We emphasize the central role of scientific- and community-level approaches for the planning phase of pollination restoration. For evaluation purposes, we argue that appropriate network indicators have the advantage of detecting changes in species behaviour with consequences for ecosystem processes and functions before these changes show up in altered species communities. Suitable network metrics may include interaction diversity and evenness, and network measures that describe the distribution of species, such as network and species-level specialization, modularity and motifs. Finally, we discuss the usefulness of the network approach in evaluating the benefits of restoration interventions for pollination interactions, and propose that applied network ecologists take a central role in transferring theory into practice.
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da Silva, Fernanda Ribeiro, and Marco Aurélio Pizo. "Restoration of seed dispersal interactions in communities invaded by non-native plants." In Plant invasions: the role of biotic interactions, 391–401. Wallingford: CABI, 2020. http://dx.doi.org/10.1079/9781789242171.0391.

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Abstract Restoration aims to rebuild not only species but also the tangled interactions between species that ensure communities perpetuate by themselves. In tropical forests, restoration of seed dispersal interactions is essential because most plant species depend on animals to spread their seeds. A big challenge in restoring such forests is dealing with invasion by non-native species. Non-native plant species may outcompete and eliminate native species from the community, potentially disrupting or arresting the restoration process. Once established, invasive non-native plants are usually incorporated into the local seed dispersal network, potentially causing loss of biodiversity by competition with native species. This chapter reports on a case study of a 25-year old restored forest invaded by several bird-dispersed plant species. We assessed network metrics at the species level to specifically evaluate the role performed by invasive non-native species in the structure of the bird - seed dispersal network. The removal of invasive non-native plants and the re-establishment of native plant communities should be considered for the restoration of habitats invaded by non-native plants. For this reason, we discuss the impacts of removing such non-native plants and explore the consequences for the structure of the overall network. Because restoration areas are open systems, even after the removal of invasive non-native plant species they can return via seed dispersal. So, both the control and management of invasive non-native species would be more effective if planned with a landscape perspective. We also point out relevant management aspects to avoid the negative influence of invasive non-native plants on the seed dispersal interactions occurring between native plant and bird species in restored tropical forests.
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Traveset, Anna, and David M. Richardson. "Plant invasions: the role of biotic interactions - an overview." In Plant invasions: the role of biotic interactions, 1–25. Wallingford: CABI, 2020. http://dx.doi.org/10.1079/9781789242171.0001.

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Abstract Diverse biotic interactions between non-native plant species and other species from all taxonomic groups are crucial mediators of the dynamics of plant invasions. This chapter reviews the key hypotheses in invasion ecology that invoke biotic interactions to explain aspects of plant invasion dynamics. We examine the historical context of these hypotheses and assess the evidence for accepting or rejecting their predictions. Most hypotheses invoke antagonistic interactions, mainly competition, predation, herbivory interactions and the role of pathogens. Only in the last two decades have positive (facilitative/mutualistic) interactions been explicitly included in invasion biology theory (as in ecological theory in general). Much information has accumulated in testing hypotheses relating to biotic resistance and Enemy Release Theory, although many of the emerging generalizations are still contentious. There is growing consensus that other drivers of plant invasion success, such as propagule pressure and disturbance, mediate the outcome of biotic interactions, thereby complicating our ability to make predictions, but these have rarely been assessed in both native and adventive ranges of non-native invasive species. It is also widely acknowledged that biogeographic comparisons, more than common garden experiments, are needed to shed light on many of the contradictory results. Contrasting findings have also emerged in exploring the roles of positive interactions. Despite strong evidence that such interactions are crucial in many communities, more work is needed to elucidate the factors that influence the relative importance of positive and negative interactions in different ecosystems. Different types of evidence in support of invasional meltdown have emerged for diverse habitats and across spatial scales. In light of increasing evidence that biotic indirect effects are crucial determinants of the structure, dynamics and evolution of ecological communities, both direct and indirect interactions involving native and non-native species must be considered to determine how they shape plant invasion patterns and the ecological impacts of non-native species on recipient communities. Research that examines both biotic interactions and the factors that mediate their strength and alter interaction outcomes is needed to improve our ability to predict the effects of novel interactions between native and non-native species, and to envisage how existing invaded communities will respond to changing environmental conditions. Many opportunities exist for manipulating biotic interactions as part of integrated control strategies to reduce the extent, density and impacts of non-native plant invasions. These include the introduction of species from the native range of the non-native plant for biological control, diverse manipulations of plant - herbivore interactions and many types of interaction to enhance biotic resistance and steer vegetation recovery following non-native plant control.
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Wandrag, Elizabeth M., and Jane A. Catford. "Competition between native and non-native plants." In Plant invasions: the role of biotic interactions, 281–307. Wallingford: CABI, 2020. http://dx.doi.org/10.1079/9781789242171.0281.

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Abstract The introduction of species to new locations leads to novel competitive interactions between resident native and newly-arriving non-native species. The nature of these competitive interactions can influence the suitability of the environment for the survival, reproduction and spread of non-native plant species, and the impact those species have on native plant communities. Indeed, the large literature on competition among plants reflects its importance in shaping the composition of plant communities, including the invasion success of non-native species. While competition and invasion theory have historically developed in parallel, the increasing recognition of the synergism between the two themes has led to new insights into how non-native plant species invade native plant communities, and the impacts they have on those plant communities. This chapter provides an entry point into the aspects of competition theory that can help explain the success, dominance and impacts of invasive species. It focuses on resource competition, which arises wherever the resources necessary for establishment, survival, reproduction and spread are in limited supply. It highlights key hypotheses developed in invasion biology that relate to ideas of competition, outlines biotic and abiotic factors that influence the strength of competition and species' relative competitive abilities, and describes when and how competition between non-native and native plant species can influence invasion outcomes. Understanding the processes that influence the strength of competition between non-native and native plant species is a necessary step towards understanding the causes and consequences of biological invasions.
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Actas de conferencias sobre el tema "Biotic communities"

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Miljanović, Branko, Ivana Mijić Oljačić, Aleksandar Bajić, Sonja Pogrmić, Nemanja Pankov, and Tamara Jurca. "MULTI-YEAR CHANGES IN THE HYDROBIOLOGICAL PARAMETERS OF "TIKVARA" NATURE PARK." In 53rd Annual Conference of the Serbian Water Pollution Control Society. SERBIAN WATER POLLUTION CONTROL SOCIETY, 2024. http://dx.doi.org/10.46793/voda24.111m.

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Lake Tikvara is the most significant hydrological unit of the "Tikvara" Nature Park. The paper presents the results of hydrobiological research with the aim of monitoring the fish fauna and relevant ecological factors of the "Tikvara" hydroecosystem from 2018 to 2023. The association of selected abiotic parameters, including changes in the water level of the Danube, with changes in the structure of the phytoplankton, benthic, and nektonic communities of Tikvara was analyzed. The results indicated the existence of a connection between the period of high and low water levels and the structure of
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Marcinkevage, A. Catherine, and E. E. Herricks. "An Individual-Based Model for Evaluating the Effects of Hydrology on Biotic Stream Communities." In World Environmental and Water Resources Congress 2007. Reston, VA: American Society of Civil Engineers, 2007. http://dx.doi.org/10.1061/40927(243)600.

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O'Neil, Gretchen R., James D. Schiffbauer, James D. Schiffbauer, John Warren Huntley, John Warren Huntley, Yaoping Cai, and Yaoping Cai. "THE IMPORTANCE OF BIOTIC INTERACTIONS IN SHAPING EDIACARAN BENTHIC COMMUNITIES: A COMPARATIVE CASE STUDY OF THE GAOJIASHAN AND MISTAKEN POINT BIOTAS." In GSA Annual Meeting in Denver, Colorado, USA - 2016. Geological Society of America, 2016. http://dx.doi.org/10.1130/abs/2016am-287195.

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Shamala, Mikhail M. "Ecological toponyms of Lutugino District." In The libraries and ecological education: Theory and practice. Russian National Public Library for Science and Technology, 2020. http://dx.doi.org/10.33186/978-5-85638-227-2-2020-300-307.

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The concept of «ecological toponymics» has been developed since 1993. The main tas of the discipline is to investigate into toponymic evidences of physicogeographic conditions and landscapes of the past, ecofactors that influenced demic diffusion and adaptation to new sociogeographic and landscape environment, tracing areas of biotic communities and individual species lost in anthropogenesis. E. L Lyubimova, E. M. Murzaev, V. S. Zhekulin and others were The pioneers of these studies tas.
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CHAND, NIRBHAY. "Impact of Gravel Extraction on Stream Morphology and Biotic Communities in Streams of Vanua Levu Fiji." In Fourth International Conference On Advances in Applied Science and Environmental Engineering - ASEE 2015. Institute of Research Engineers and Doctors, 2015. http://dx.doi.org/10.15224/978-1-63248-068-2-05.

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Kempf, Hannah L., Ashley A. Dineen, Peter D. Roopnarine, and Carrie L. Tyler. "USING FOOD WEBS TO EXAMINE ECOSYSTEM DYNAMICS DURING BIOTIC INVASIONS IN LATE ORDOVICIAN SHALLOW MARINE COMMUNITIES." In GSA Annual Meeting in Denver, Colorado, USA - 2016. Geological Society of America, 2016. http://dx.doi.org/10.1130/abs/2016am-283943.

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Rubtsova, Svetlana, Svetlana Rubtsova, Natalya Lyamina, Natalya Lyamina, Aleksey Lyamin, and Aleksey Lyamin. "ANALYSIS OF THE FUNCTIONING OF MARINE ECOSYSTEMS ON CHANGING THE PARAMETERS OF THE BIOLUMINESCENCE FIELD ON THE CRIMEAN BLACK SEA SHELF." In Managing risks to coastal regions and communities in a changing world. Academus Publishing, 2017. http://dx.doi.org/10.31519/conferencearticle_5b1b9387ec5c97.58539127.

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The concept of a new approach to environmental assessment is offered in the system of integrated management of the resource and environmental safety of the coastal area of the Black Sea. The studies of the season and daily changeability in the bioluminescence field in the Sevastopol coastal waters has been conducted. For the first time considerable differences in the bioluminescence field seasonal changes in the surface and deep water layers and the reasons conditioning this phenomenon have been shown, using a method of multidimensional statistical analysis. The bioluminescence field vertical
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Rubtsova, Svetlana, Svetlana Rubtsova, Natalya Lyamina, Natalya Lyamina, Aleksey Lyamin, and Aleksey Lyamin. "ANALYSIS OF THE FUNCTIONING OF MARINE ECOSYSTEMS ON CHANGING THE PARAMETERS OF THE BIOLUMINESCENCE FIELD ON THE CRIMEAN BLACK SEA SHELF." In Managing risks to coastal regions and communities in a changing world. Academus Publishing, 2017. http://dx.doi.org/10.21610/conferencearticle_58b43168bfc21.

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The concept of a new approach to environmental assessment is offered in the system of integrated management of the resource and environmental safety of the coastal area of the Black Sea. The studies of the season and daily changeability in the bioluminescence field in the Sevastopol coastal waters has been conducted. For the first time considerable differences in the bioluminescence field seasonal changes in the surface and deep water layers and the reasons conditioning this phenomenon have been shown, using a method of multidimensional statistical analysis. The bioluminescence field vertical
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McLoughlin, Stephen, Vivi Vajda, Christopher Mays, Christopher R. Fielding, Tracy D. Frank, and Robert S. Nicoll. "EXTINCTION AND RECOVERY OF GONDWANAN PLANT AND HERBIVOROUS ARTHROPOD COMMUNITIES THROUGH THE PERMIAN-TRIASSIC BIOTIC CRISIS IN SOUTHERN HIGH PALAEOLATITUDES." In GSA Annual Meeting in Indianapolis, Indiana, USA - 2018. Geological Society of America, 2018. http://dx.doi.org/10.1130/abs/2018am-318786.

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Adegoke, Samuel Oluwafikayo, Olugbenga Adebanjo Falode, and Princess Christiana Nwankwo. "Understanding Oilfield Scale Deposition and Inhibition Mechanisms for Optimum Management: A Review." In SPE Nigeria Annual International Conference and Exhibition. SPE, 2021. http://dx.doi.org/10.2118/207133-ms.

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Abstract Oilfield scales are crystalline minerals made up of Na, K, Mg, Ca, Ba, Sr, Fe, Cl from produced water that can precipitate out in the reservoir, well, pipelines and process during the production and transportation of oil and gas. These precipitates can deposit as a result of thermodynamic and/or chemical changes and pose costly flow assurance issues to the oil industry. Several factors have been identified to be responsible including temperature, pressure, ionic strength, pH, evaporation, bicarbonate anion, super-saturation and contact time and water chemistry. Attempts to solve this
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Informes sobre el tema "Biotic communities"

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Dodd, Hope, J. Cribbs, David Bowles, Cameron Cheri, and Jeffrey Williams. Aquatic community monitoring at Effigy Mounds National Monument, 2008?2017. National Park Service, 2023. http://dx.doi.org/10.36967/2300634.

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Dousman Creek, located in northeastern Iowa, is a Class ?B? coldwater stream that supports a trout population and is listed among the Outstanding Iowa Waters (Iowa Department of Natural Resources 2010, 2016). The Heartland Inventory and Monitoring Network (Heartland Network) of the National Park Service (NPS) has been monitoring aquatic communities (fish and invertebrates) in Dousman Creek within Effigy Mounds National Monument (NM) since 2008. Corresponding physical habitat and water quality were also collected during biotic sampling. The objectives of this long-term monitoring program are to
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Dodd, Hope, David Peitz, Gareth Rowell, Janice Hinsey, David Bowles, Lloyd Morrison, Michael DeBacker, Jennifer Haack-Gaynor, and Jefrey Williams. Protocol for Monitoring Fish Communities in Small Streams in the Heartland Inventory and Monitoring Network. National Park Service, April 2021. http://dx.doi.org/10.36967/nrr-2284726.

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Fish communities are an important component of aquatic systems and are good bioindicators of ecosystem health. Land use changes in the Midwest have caused sedimentation, erosion, and nutrient loading that degrades and fragments habitat and impairs water quality. Because most small wadeable streams in the Heartland Inventory and Monitoring Network (HTLN) have a relatively small area of their watersheds located within park boundaries, these streams are at risk of degradation due to adjacent land use practices and other anthropogenic disturbances. Shifts in the physical and chemical properties of
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Dodd, Hope, David Bowles, John Cribbs, Jeffrey Williams, Cameron Cheri, and Tani Hubbard. Aquatic community monitoring at Herbert Hoover National Historic Site, 2008?2017. National Park Service, 2024. http://dx.doi.org/10.36967/2303263.

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Land use changes that degrade water quality and stream habitat can negatively impact aquatic communities. Monitoring trends in aquatic community composition and habitat conditions is a robust way to assess stream integrity and health. Herbert Hoover National Historic Site (NHS) is in eastern Iowa where dominant land use consists of row-crop and grassland agriculture. A portion of an unnamed tributary of the West Branch of Wapsinonoc Creek, known as Hoover Creek, flows through the park. In 2008, the Heartland Inventory and Monitoring Network (Heartland Network) of the National Park Service (NPS
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DeSaix, Matthew. Bird community monitoring at New River Gorge National River, Gauley River National Recreation Area, and Bluestone National Scenic River, 1997 - 2018. National Park Service, January 2022. http://dx.doi.org/10.36967/nrr-2289846.

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Birds are prominent features of National Park Service lands and are effective indicators for monitoring ecosystem health. Assessing the temporal change of avian species abundance depends on long-term monitoring of bird communities and trends, however long-term monitoring programs are generally uncommon. In this report, we summarize 22 years (1997-2018) of point count data across five sites on West Virginia National Park Service lands (three in New River Gorge National River, one in Gauley River National Recreation Area, and one in Bluestone National Scenic River) and compare these results to o
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Tsybekmitova, G. Ts, L. D. Radnaeva, N. A. Tashlykova, V. G. Shiretorova, A. K. Tulokhonov, B. B. Bazarova, and M. O. Matveeva. THE EFFECT OF CLIMATIC SHIFTS ON BIODIVERSITY OF PHYTOCENOSIS: LAKE ARAKHLEY (EASTERN SIBERIA, RUSSIA). DOICODE, 2020. http://dx.doi.org/10.18411/0973-7308-2020-35-3-77-90.

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Lake Arakhley is located within the Lake Baikal basin in Eastern Siberia, Russia. The area is characterized by continental subarctic climate with considerate diurnal temperature range, long cold dry winters and short hot summers with more precipitation occurring during the latter half of the summer. Climatic shifts in high water years and low water years result in morphometric changes in the lake and in the chemical and physical parameters of the ecosystem. During low water years, concentrations of ammonium nitrogen and nitrite nitrogen are decreased, whereas nitrate concentration increases. H
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Lundgren, Jonathan, Moshe Coll, and James Harwood. Biological control of cereal aphids in wheat: Implications of alternative foods and intraguild predation. United States Department of Agriculture, October 2014. http://dx.doi.org/10.32747/2014.7699858.bard.

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The overall objective of this proposal is to understand how realistic strategies for incorporating alternative foods into wheat fields affect the intraguild (IG) interactions of omnivorous and carnivorous predators and their efficacy as biological control agents. Cereal aphids are a primary pest of wheat throughout much of the world. Naturally occurring predator communities consume large quantities of cereal aphids in wheat, and are partitioned into aphid specialists and omnivores. Within wheat fields, the relative abilities of omnivorous and carnivorous predators to reduce cereal aphids depen
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Gottlieb, Yuval, Bradley Mullens, and Richard Stouthamer. investigation of the role of bacterial symbionts in regulating the biology and vector competence of Culicoides vectors of animal viruses. United States Department of Agriculture, June 2015. http://dx.doi.org/10.32747/2015.7699865.bard.

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Symbiotic bacteria have been shown to influence host reproduction and defense against biotic and abiotic stressors, and this relates to possible development of a symbiont-based control strategy. This project was based on the hypothesis that symbionts have a significant impact on Culicoides fitness and vector competence for animal viruses. The original objectives in our proposal were: 1. Molecular identification and localization of the newly-discovered symbiotic bacteria within C. imicola and C. schultzei in Israel and C. sonorensis in California. 2. Determination of the prevalence of symbiotic
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Bingham, Sonia, and Craig Young. Sentinel wetlands in Cuyahoga Valley National Park: I. Ecological characterization and management insights, 2008–2018. Edited by Tani Hubbard. National Park Service, February 2023. http://dx.doi.org/10.36967/2296885.

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Sentinel wetlands at Cuyahoga Valley National Park (NP) comprise a set of twenty important management areas and reference sites. These wetlands are monitored more closely than other wetlands in the wetlands monitoring program and are the focus of the volunteer monitoring program for water levels. We used the Ohio Rapid Assessment Method (ORAM) to evaluate habitat in the sentinel wetlands. A total of 37 long-term sample plots have been established within these wetlands to monitor biological condition over time using vegetation as an indicator. Vegetation is intensively surveyed using the Vegeta
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Peña, Ignacio, and Micaela Jenik. Deep Tech: The New Wave. Inter-American Development Bank, June 2023. http://dx.doi.org/10.18235/0004947.

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DeepTech startups are companies based on a scientific discovery or meaningful engineering innovation. Deep Tech startups involve significant technological risk and R&D. However, Deep Tech innovation is critical to effectively address humanities grand challenges. DeepTech companies have the potential to catalyze change, establish new industries, and disrupt existing ones. Cutting-edge technologies like AI, solar power, electric vehicles, biotech, advanced manufacturing, and space-based broadband have the potential to pave new paths for economic growth, social equity, and environmental susta
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Biomonitoring of fish communities, using the Index of Biotic Integrity (IBI) in Rabbit Creek-Cat Creek Watershed, Summer 1992. Office of Scientific and Technical Information (OSTI), August 1993. http://dx.doi.org/10.2172/10183541.

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