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Journal articles on the topic 'Fisheries functional zones'

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1

Mikhaylova, A., D. Maksimenko, D. Hvaley, M. Maksimenko, and A. Mikhaylov. "Geoinformation representation of maritime knowledge flows: new frontiers of coastalization." IOP Conference Series: Earth and Environmental Science 1087, no. 1 (2022): 012038. http://dx.doi.org/10.1088/1755-1315/1087/1/012038.

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Abstract Marine and coastal economies are the drivers of growth for many nations around the world. Close proximity to the sea generates positive externalities being especially strong in coastal areas, whose effective governance is a challenge. The greatest challenge to date is ambiguity in delimitation of a coastal zone, as static criteria based on density of population and industry, are limited in our understanding of the functional connectivity of the sea and land. This article studies functional boundaries of a coastal zone by focusing on the geoinformation analysis of marine-related R&
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Floyd, Matthew, Masaru Mizuyama, Masami Obuchi, et al. "Functional diversity of reef molluscs along a tropical-to-temperate gradient." Coral Reefs 39, no. 5 (2020): 1361–76. http://dx.doi.org/10.1007/s00338-020-01970-2.

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Abstract Global warming is leading to range shifts of marine species, threatening the structure and functioning of ecological communities and human populations that rely on them. The largest changes are seen in biogeographic transition zones, such as subtropical reef communities, where species range shifts are already causing substantial community reorganisation. This causes functional changes in communities over subtropical latitudes, though a baseline functional understanding remains elusive for many taxa. One key marine taxon are molluscs, which provide many ecosystem services, are importan
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Mendoza-Carranza, Manuel, Diego Santiago-Alarcón, Juan Carlos Pérez-Jiménez, and Chrystian Carolina Hernández-Lazo. "Eyeless morphotype in the southern stingray (Dasyatis americana): a non-lethal and frequent abnormality from the southern Gulf of Mexico." Latin American Journal of Aquatic Research 44, no. 3 (2017): 460–69. http://dx.doi.org/10.3856/vol44-issue3-fulltext-4.

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Elasmobranchs are active predators that depend on a highly developed visual system. The eyes of the southern stingray, Dasyatis americana, are adapted to a changing light environment in coastal zones. In this study we use morphological characters and molecular methods (mtDNA COI) to describe an eyeless morphotype of D. americana from six individuals collected from commercial small-scale fisheries on the Campeche Bank (southern Gulf of Mexico). Additionally to the eyeless characteristic, both regular (presence of eye) and eyeless (absence of eye) morphotypes have contrasting quantitative values
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4

van Niekerk, Lara, Stephen J. Lamberth, Nicola C. James, et al. "The Vulnerability of South African Estuaries to Climate Change: A Review and Synthesis." Diversity 14, no. 9 (2022): 697. http://dx.doi.org/10.3390/d14090697.

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This review evaluates the vulnerability of South African estuaries to Climate Change in a data-limited environment. The regional-scale assessment is based on physical characteristics and predicted/measured changes in the abiotic drivers and ecosystem responses. The major Climate Change stressors were identified in order of importance as change in climatic and hydrological processes, ocean circulation and temperature regimes, sea level rise, increase in frequency and intensity of sea storms, and ocean acidification. Flow-related ecosystem responses included changes in mouth state, salinity regi
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Price, Andrew R. G. "The Marine Food Chain in Relation to Biodiversity." Scientific World JOURNAL 1 (2001): 579–87. http://dx.doi.org/10.1100/tsw.2001.85.

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Biodiversity provides “raw materials” for the food chain and seafood production, and also influences the capacity of ecosystems to perform these and other services. Harvested marine seafood species now exceed 100 million t y -1 and provide about 6% of all protein and 17% of animal protein consumed by humans. These resources include representatives from about nine biologically diverse groups of plants and animals. Fish account for most of the world’s marine catches, of which only 40 species are taken in abundance. Highest primary productivity and the richest fisheries are found within Exclusive
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Lisienko, Svetlana Vladimirovna, and K. Gribova. "FISHING AREA AS BASIC OBJECT OF SYSTEM RESEARCH IN DEVELOPING MODERN APPROACH TO ORGANIZATION, PLANNING AND MANAGEMENT OF INDUSTRIAL FISHERIES PROCESSES AND SYSTEMS (CASE STUDY OF EAST KAMCHATKA ZONE OF FAR EASTERN FISHERIES BASIN)." Vestnik of Astrakhan State Technical University. Series: Fishing industry 2020, no. 3 (2020): 27–39. http://dx.doi.org/10.24143/2073-5529-2020-3-27-39.

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The article underlines the need to pass from the traditional methods of organization, planning and control over the processes and systems of industrial fishing to the innovative methods based on new qualitative level of development of the theory of industrial fishing, which is stipulated by the problems of scientific rationale, description and forecasting the prospects and results of development of the fisheries industry at the present stage. The modern approach to organization, planning and management of fishing activities involves taking into account the multicomponent composition of factors
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7

Rudyk-Leuska, N. Ja, І. Yu Buzevych, M. V. Leusky, G. O. Kotovska та D. S. Khrystenko. "СТРУКТУРНI ПОКАЗНИКИ ПОПУЛЯЦІЇ КАРАСЯ СРІБЛЯСТОГО (CARASSIUS GIBELIO B.) КРЕМЕНЧУЦЬКОГО ВОДОСХОВИЩА". Scientific Issue Ternopil Volodymyr Hnatiuk National Pedagogical University. Series: Biology 82, № 3 (2022): 44–51. http://dx.doi.org/10.25128/2078-2357.22.3.7.

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Ukraine ranks first in Europe in the number of natural water bodies. These abundant water resources are the source of significant fish resources, which are effectively exploited by the fishing industry. Rationalization and equal distribution of the commercial load, the reduction of the commercial pressure on the main fish species has always been an urgent issue. This can be achieved by shifting the focus of fishing to other types of fish, which will allow rational use of the entire complex of commercial species. The Prussian carp Carassius gibelio (Bloch, 1782) is among such promising objects
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Léger, Georges Antoine. "Droit de la mer : La contribution du Canada au nouveau concept de la zone économique." Études internationales 11, no. 3 (2005): 421–40. http://dx.doi.org/10.7202/701073ar.

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The decade-long process of negotiation leading to a new regime of Oceans Law is drawing to a close. One of its major achievements to date is the elaboration of an entirely new concept in ocean space, the exclusive economic zone. Canada has played a leading role in bringing about consensus on the main elements of this zonal approach, a bridge linking certain features of the territorial sea regime with a number of safeguards derived from the exercise of high seas rights. Canada 's contribution was based generally on a novel application of the functional approach which has been prevalent in Canad
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Ko, Nyein Thandar, Phil Suter, John Conallin, Martine Rutten, and Thom Bogaard. "Aquatic Macroinvertebrate Indicators in the Zawgyi Irrigation Channels and a River in the Central Dry Zone of Myanmar." Sustainability 12, no. 21 (2020): 8788. http://dx.doi.org/10.3390/su12218788.

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Rivers and wetlands in Myanmar provide essential services to people in terms of transportation, agriculture, fisheries and a myriad of other ecosystem services, all of which are dependent on a healthy ecosystem. Irrigation channels are also an important part of the infrastructure for daily water use in Myanmar. The objective of this research is to describe the aquatic ecosystem of irrigation channels using aquatic macroinvertebrate communities. The research focused on the taxonomic composition of the aquatic macroinvertebrates of the Zawgyi River and the associated irrigation channels in centr
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Farkhutdinova, Luiza V., and Oksana O. Sukhanova. "Study of the functional resource of families raising children with disabilities." Perspectives of Science and Education 55, no. 1 (2022): 393–409. http://dx.doi.org/10.32744/pse.2022.1.25.

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Introduction. Today much attention is paid to the role of a family in the system of psychological, medical and pedagogical support for children with disabilities. The need to study the functional resource of a family with a child with special educational needs in order to identify its problem areas and determine psychotherapeutic targets determines the relevance of this study. Materials and methods. The study involved 32 families raising children with disabilities aged 4 to 7; the comparison group consisted of 32 families raising healthy children of the same age. The experience of family life
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Jones, Jessica Trevino, Sushanth Kakarla, Annie Hung, et al. "A Look at Lymphoid Neoplasms in Patients over 65: Are We Less Aggressive - and Does It Affect Outcome?" Blood 132, Supplement 1 (2018): 5910. http://dx.doi.org/10.1182/blood-2018-99-119584.

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Abstract BACKGROUND With a greater proportion of the general population continuing to age from advancements in scientific knowledge, more patients newly diagnosed with malignant lymphoid tumors are elderly (age > 70). Geriatric oncology continues to face challenges in the management of these conditions because of co-morbid conditions, and therapy tolerance limitations associated with aging. Research has shown that geriatric patients get less chemotherapy than non-geriatric counterparts. The main objective of this study was to analyze outcomes of elderly patients (age>65) diagnosed with H
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Andrade Ruiz Eufredo Carlos, Duque marín Richard, and Torres Chuquimarca Gladys. "Main functional groups of the plankton in front of the fishing port of Anconcito, Santa Elena-Ecuador." Journal of Pharmaceutical Negative Results, November 7, 2022, 35–51. http://dx.doi.org/10.47750/pnr.2022.13.s09.003.

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Coastal marine plankton is an indicator of the link in the pelagic food chains of the first level (phytoplankton) and the second trophic level (zooplankton); therefore, it is of great ecological, fisheries and economic importance. In this context, the objective of this study was to describe the main components of two plankton communities (phytoplankton and zooplankton) and environmental variables (temperature, salinity, oxygen) at three distances (1, 5 and 10 miles) off the fishing port of Anconcito from May 2019 to February 2020, as an indicator of the ecosystem health of a fishing sector. Sa
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13

Kavanaugh, Maria, Tom Bell, Dylan Catlett, et al. "Satellite Remote Sensing and the Marine Biodiversity Observation Network: Current Science and Future Steps." Oceanography 34, no. 2 (2021). http://dx.doi.org/10.5670/oceanog.2021.215.

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Coastal ecosystems are rapidly changing due to human-caused global warming, rising sea level, changing circulation patterns, sea ice loss, and acidification that in turn alter the productivity and composition of marine biological communities. In addition, regional pressures associated with growing human populations and economies result in changes in infrastructure, land use, and other development; greater extraction of fisheries and other natural resources; alteration of benthic seascapes; increased pollution; and eutrophication. Understanding biodiversity is fundamental to assessing and manag
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14

Hou, Wenhao, Xiangtao Wei, Weihao Bai, et al. "Effects of Manila clam Ruditapes philippinarum culture on the macrobenthic community." Frontiers in Marine Science 10 (April 28, 2023). http://dx.doi.org/10.3389/fmars.2023.1084386.

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Macrobenthic bioturbation affects the environment, and variances in habitat, such as decreased dissolved oxygen concentration and increased ammonia concentration, affects the macrobenthic community. The relationship between macrobenthos and habitat factors may be a mutually causal relationship. The bottom-sowing culture for Manila clam Ruditapes philippinarum in many coastal countries plays an important role in coastal fisheries, and the relationship between Manila clam and other macrobenthos affects the ecological stability of the bottom-sowing culture zone. It is necessary to explore the rel
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15

Braun, Camrin D., Martin C. Arostegui, Simon R. Thorrold, et al. "The Functional and Ecological Significance of Deep Diving by Large Marine Predators." Annual Review of Marine Science 14, no. 1 (2021). http://dx.doi.org/10.1146/annurev-marine-032521-103517.

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Many large marine predators make excursions from surface waters to the deep ocean below 200 m. Moreover, the ability to access meso- and bathypelagic habitats has evolved independently across marine mammals, reptiles, birds, teleost fishes, and elasmobranchs. Theoretical and empirical evidence suggests a number of plausible functional hypotheses for deep-diving behavior. Developing ways to test among these hypotheses will, however, require new ways to quantify animal behavior and biophysical oceanographic processes at coherent spatiotemporal scales. Current knowledge gaps include quantifying e
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