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Relevant bibliographies by topics / Environmental Sciences|Agriculture, Fisheries and Aquaculture|Biology, Limnology

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Academic literature on the topic 'Environmental Sciences|Agriculture, Fisheries and Aquaculture|Biology, Limnology'

Author: Grafiati

Published: 9 July 2021

Last updated: 29 July 2025

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Consult the lists of relevant articles, books, theses, conference reports, and other scholarly sources on the topic 'Environmental Sciences|Agriculture, Fisheries and Aquaculture|Biology, Limnology.'

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Journal articles on the topic "Environmental Sciences|Agriculture, Fisheries and Aquaculture|Biology, Limnology"

1

Odelu, G. "PRESENT STATUS OF AQUATIC MACROPHYTES OF FOUR FRESH WATER ECOSYSTEMS OF ELLANDHAKUTA AND ITS SURROUDING VILLAGES, KARIM NAGAR DISTRICT, TELANGANA. INDIA." Biolife 2, no. 3 (2022): 956–65. https://doi.org/10.5281/zenodo.7224935.

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<strong>ABSTRACT</strong> Present study was conducted on four fresh water ecosystems to analyses,the importance of fresh ecosystems biological components, species diversity, alienspecies, aquatic macrophytes distribution in four  villages around study area was studied during 2012-2014. One hundred and ten different species of were recorded in 41 families in these 24 from Dicotyledons, 14, Monocots, two from Pteridophyta, one from Algae total Genera 84. Poaceae was the most dominant families with 14 species followed by Cyperaceae (10species), Asteraceae(9), Euphorbhiaceae (7), an

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2

Vinh, Pham Quang, Nguyen Thi Thu Ha, Nguyen Thanh Binh, Nguyen Ngoc Thang, La Thi Oanh, and Nguyen Thien Phuong Thao. "Developing algorithm for estimating chlorophyll-a concentration in the Thac Ba Reservoir surface water using Landsat 8 Imagery." VIETNAM JOURNAL OF EARTH SCIENCES 41, no. 1 (2019): 10–20. http://dx.doi.org/10.15625/0866-7187/41/1/13542.

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This study aims at developing a regional algorithm to quantify chlorophyll-a concentration (Chla) in the Thac Ba Reservoir surface-water using Landsat 8 imagery basing on in-situ data of Chla and above-water reflectance taken in both dry and rainy seasons 2018. In situ datasets obtained from 30 water sampling sites show a strong correlation (R2=0.73) with the reflectance ratio of two Landsat 8 (L8) bands, the green band (band 3: B3) versus the red band (band 4: B4), B3 / B4, by an exponential equation. The algorithm for estimating Chla using this ratio was well-matched up the validation using

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3

Terech-Majewska, Elżbieta, Joanna Pajdak, Jan Siemionek, and Wojciech Szweda. "Ichtyopathology in Poland: Past, present, future." Medycyna Weterynaryjna 73, no. 6 (2017): 375–82. http://dx.doi.org/10.21521/mw.5699.

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The aim of the study was to present the history of ichtyopathology in Poland and the main achievements of researchers who developed this discipline. The pioneer of ichtyopathological research in Poland was the ichtyologist prof. Teodor Spiczakov, founder of the first Fish Diseases Laboratory at the Jagiellonian University (JU) and initiator of fishery veterinary service. After the Second World War, dr Stanisław F. Śnieszko, a researcher from JU, established a laboratory in the United States, renamed the National Fisheries Center in 1977. In writing about the beginnings of ichthyopathology in P

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4

Маркина, Жанна Васильевна, Альбина Васильевна Огнистая та Антон Андреевич Зинов. "ВЛИЯНИЕ ТЯЖЕЛЫХ МЕТАЛЛОВ НА ДИНАМИКУ ЧИСЛЕННОСТИ И ФЛУОРЕСЦЕНТНЫЕ ХАРАКТЕРИСТИКИ PROROCENTRUM FORAMINOSUM (DINOPHYTA)". Российский журнал прикладной экологии, № 1 (30 березня 2023): 61–68. http://dx.doi.org/10.24852/2411-7374.2023.1.61.68.

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Проведена оценка динамики численности, внешнего вида клеток, флуоресценции хлоропласта и зеленой автофлуоресценции клеток (ЗАФ) динофлагелляты Prorocentrum foraminosum при воздействии тяжелых металлов: кадмия Cd2+, никеля Ni2+ и свинца Pb2+ в концентрациях 10 и 20 мкг/л. Показано, что все металлы в изученных концентрациях оказали ингибирующее влияние на численность клеток: наименьшее воздействие оказал Cd2+. Морфологически клетки не изменялись при воздействии Cd2+, Pb2+, а при добавлении Ni2+ отмечена деформация клеток. Флуоресценция хлоропласта изменялась при воздействии металлов, за исключен

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5

Radhika Rai and Dr. Ravindra Pal Singh. "A Review Paper on Limnology in Fresh Water Fishes." International Journal of Advanced Research in Science, Communication and Technology, August 30, 2022, 811–19. http://dx.doi.org/10.48175/ijarsct-6265.

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Limnology, often known as the study of fisheries biology, has been an increasingly important component of research into freshwater fisheries over the course of the last several decades. This pattern has been steadily becoming more obvious over the course of the last several years. It was formerly believed that humans and fish were equally important to the health of the environment. However, as the 20th century progressed and the foundational research traditions of limnology became more established, this viewpoint started to change. It should not come as much of a surprise that the field of lim

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Dissertations / Theses on the topic "Environmental Sciences|Agriculture, Fisheries and Aquaculture|Biology, Limnology"

1

Eitzmann, Jeffrey Laine. "Spatial habitat variation in a Great Plains river : effects on the fish assemblage and food web structure." Thesis, Manhattan, Kan. : Kansas State University, 2008. http://hdl.handle.net/2097/557.

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2

Edwards, Patrick Michael. "Macroinvertebrates and Excessive Fine Sediment Conditions in Oregon Coastal Streams." Thesis, Portland State University, 2014. http://pqdtopen.proquest.com/#viewpdf?dispub=3629266.

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<p>The Pacific Coastal ecoregion contains large tracts of economically important forestlands that also serve as critical stream habitat for endangered Salmonids. Excessive fine sediment deposition in streams of this region is a major environmental concern in the region but difficult to measure directly. The use of stream invertebrates to monitor fine sediment conditions in streams requires careful consideration of several important factors that complicate their use as bioindicators including high spatial and temporal variability and covariance with other environmental variables. </p><p> To e

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3

Al-Reasi, Hassan Ali. "Tracking mercury biomagnification in fish from the Gulf of Oman using stable isotopes (carbon-13carbon-12 and nitrogen-15nitrogen-14)." Thesis, University of Ottawa (Canada), 2005. http://hdl.handle.net/10393/26836.

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Attempts to use stable isotope carbon (delta13C) and nitrogen (delta15N) ratios to construct trophic positions and track mercury biomagnification in zooplankton and 13 fish species from a coastal food web of the Gulf of Oman illustrated some potential differences in this environment compared to the aquatic ecosystem of the northern hemisphere. Due to the large difference in delta13C values (3.4&permil;) between zooplankton planktivorous fish species (S. crumenophthalmus, S. longiceps and R. kanagurta), zooplankton would seem to not be the primary diet of these fish species as commonly describe

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Nwobu, Ogochukwu L. "Methylmercury uptake and bioconcentration by the freshwater green alga Pseudokirchineriella subcapitata." Thesis, University of Ottawa (Canada), 2005. http://hdl.handle.net/10393/26997.

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Methylmercury (MeHg) enters most aquatic food webs primarily at the phytoplankton level. However, in the complex aquatic ecosystem, it is difficult to fully examine specific pathways. Consequently, in this study, the uptake of environmentally realistic levels of added MeHg concentrations (0.21 to 20 ng Hg L-1 ) by the freshwater green alga Pseudokirchniriella subcapitata grown in batch and semi-continuous cultures at biomass levels of (0.03, 0.15, 0.3 and 3 mg (dw) L-1) was investigated. In algal culture media without dissolved organic carbon (DOC) and in river water samples with DOC concentr

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Webster, Sarah R. "Size-at-age and diet composition of Pacific halibut ( Hippoglossus stenolepis) in Cook Inlet, Alaska." Thesis, Alaska Pacific University, 2015. http://pqdtopen.proquest.com/#viewpdf?dispub=1571557.

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<p> Since the 1970s halibut size-at-age has decreased in southcentral Alaska; the mechanisms causing decreased size-at-age are unknown. The objectives of this study were to 1) compare size-at-age of port-sampled fish in Homer to survey samples from Gulf of Alaska; 2) assess stable isotope values (δ<sup> 13</sup>C, δ<sup>15</sup>N) of halibut by sex, size, location and date; 3) determine mean stable isotope values for prey; and 4) identify prey associated with smaller and larger size-at-age. We used port-sampled halibut from the Homer sport fishery due to the quantity of available

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Torre, Cosio Jorge. "Inventory, monitoring and impact assessment of marine biodiversity in the Seri Indian territory, Gulf of California, Mexico." Diss., The University of Arizona, 2002. http://hdl.handle.net/10150/280215.

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The conservation of marine ecosystems is at least 20 years behind terrestrial and freshwater ecosystems due to the difficulties in studying and monitoring these dynamic and complex environments. Furthermore, marine environment receive less attention because human impacts are less visible in the sea, and oceans are viewed as global commons. The purpose of the present dissertation is to contribute to the knowledge of marine conservation through the development of three components in natural resources management: inventory, monitoring, and assessment of impacts. I elaborate a multi-taxa inventory

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Nichols, Wallace J. "Biology and conservation of sea turtles in Baja California, Mexico." Diss., The University of Arizona, 2003. http://hdl.handle.net/10150/280439.

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I studied the in-water anthropogenic impacts on sea turtles, origins of sea turtles on foraging and developmental areas, their migration routes, and described regionally appropriate conservation needs. Sea turtles inhabiting Baja California waters originate on distant beaches in Japan, Hawaii, and southern Mexico. Results from genetic analyses, flipper tagging and satellite telemetry indicate loggerhead turtles (Caretta caretta) feeding along Baja California's coast are born in Japan and make a transpacific developmental migration of more than 20,000 km, encompassing the entire North Pacific O

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Cudney-, Bueno Richard. "Management and conservation of benthic resources harvested by small-scale hookah divers in the northern Gulf of California, Mexico: The black murex snail fishery." Thesis, The University of Arizona, 2000. http://hdl.handle.net/10150/278734.

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I conducted a management assessment for the conservation of benthic resources harvested by small-scale hookah divers in the northern Gulf of California (NG), Mexico, and analyzed the reproductive ecology of the black murex snail. Open access to the fisheries, combined with national and international market pressure, fishing methods, and the timing of fishing activities have caused an evident decline in production, the use of new fishing zones, and a shift of fishing effort towards deeper areas. However, the organization of the diving sector and its initiatives to establish forms of regulation

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Zemel, Hayley L. "Initial characterization of a disrupted stress endocrine system in shiner perch of San Francisco Bay---possible relation to environmental contaminant exposures and interrenal protein expression." Thesis, California State University, Long Beach, 2014. http://pqdtopen.proquest.com/#viewpdf?dispub=1527426.

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<p>Aquatic environments adjacent to industrialized urban centers typically contain anthropogenic chemicals that may cause disruption of endocrine systems and physiological functions. This study investigated whether sites within San Francisco Bay are associated with endocrine disruption in the indigenous fish, shiner perch. The endocrine system that produces cortisol was tested, since it is critical for physiological regulation of stress response, metabolism, immune function and osmoregulation. The cortisol-producing tissue, the interrenal, was also investigated using proteomics technologies to

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Estey, Chelsie M. "The characterization of 3-hydroxy-3-methylglutaryl coenzyme A reductase (HMGCoAR) in rainbow trout (Oncorhynchus mykiss) and the effect of statin drugs on HMGCoAR." Thesis, University of Ottawa (Canada), 2007. http://hdl.handle.net/10393/27454.

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The presence of pharmaceuticals in the aquatic environment is a growing area of concern. The objective of this thesis was to examine the effects of statin drugs, a class of pharmaceuticals prescribed to lower endogenous cholesterol production by inhibiting 3-hydroxy-3-methylglutaryl coenzyme A reductase (HMGCoAR), in the rainbow trout Oncorhynchus mykiss. The study also aimed to provide some insight into mechanisms governing the control of HMGCoAR in fish. Two statin drugs were used in this study, cerivastatin (CVT) and atorvastatin (AVT). Cerivastatin inhibited hepatic microsomal and brain ho

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Books on the topic "Environmental Sciences|Agriculture, Fisheries and Aquaculture|Biology, Limnology"

1

Horvath, Laslo, G. Tamas, and C. Seagrave. Carp and Pond Fish Culture. Fishing News Books Ltd, 1992.

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2

Tamas, Gizella, Chris Seagrave, and Laszlo Horvath. Carp & Pondfish Culture. 2nd ed. Iowa State Press, 2002.

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Tamas, Gizella, Chris Seagrave, and L�szl� Horv�th. Carp and Pond Fish Culture: Including Chinese Herbivorous Species, Pike, Tench, Zander, Wels Catfish, Goldfish, African Catfish and Sterlet. Wiley & Sons, Incorporated, John, 2008.

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Book chapters on the topic "Environmental Sciences|Agriculture, Fisheries and Aquaculture|Biology, Limnology"

1

Şeker, Muzaffer, and Haydar Yalçın. "Müsilaj (Deniz Salyası) Araştırmaları Üzerine Bir Analiz." In Marmara’da Deniz Ekolojisi; Deniz Salyası Oluşumu, Etkileşimleri ve Çözüm Önerileri. Turkish Academy of Science, 2021. http://dx.doi.org/10.53478/tuba.2021.004.

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Müsilaj (deniz salyası) hemen hemen tüm bitkilerin ve bazı mikroorganizmaların ürettiği kalın, yapışkan bir maddedir (Mecozzi vd., 2005). Biyolojik ve kimyasal birçok koşulun bir araya gelmesiyle oluşmaktadır. Bitkilerde su ve gıdanın depolanması, tohumların çimlenmesi ve zar kalınlaşması benzeri işlemlerde çeşitli roller üstlenir (Danovaro vd., 2009). Son dönemde Marmara Denizi’nde yaşanan durumla ülkemizin gündemine oturan deniz salyasının oluşumunda çok farklı sebepler gündeme gelse de üç temel etmenden bahsetmek mümkündür: Deniz sıcaklıklarının ortalama sıcaklıkların üzerine çıkması, deniz

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