Academic literature on the topic 'Fish Pond Project'
Create a spot-on reference in APA, MLA, Chicago, Harvard, and other styles
Consult the lists of relevant articles, books, theses, conference reports, and other scholarly sources on the topic 'Fish Pond Project.'
Next to every source in the list of references, there is an 'Add to bibliography' button. Press on it, and we will generate automatically the bibliographic reference to the chosen work in the citation style you need: APA, MLA, Harvard, Chicago, Vancouver, etc.
You can also download the full text of the academic publication as pdf and read online its abstract whenever available in the metadata.
Journal articles on the topic "Fish Pond Project"
1
Fattal, B., A. M. Eisawy, A. Dotan, H. I. Shuval, and K. H. Mancy. "Impact of Water Quality on Fish Production Based on Egyptian and Israeli Practices." Water Science and Technology 21, no. 3 (March 1, 1989): 27–33. http://dx.doi.org/10.2166/wst.1989.0074.
Full textAbstract:
This study deals with an Israel-Egypt-USA collaborative project on the health risks and technological options for fish grown in polluted waters. The fish were grown in aquaculture either with wastewater–enrichment or without. The study included one effluent polishing pond, two fish ponds and two water reservoirs. The fish stock in the ponds and reservoirs consisted mainly of tilapia (usually hybrids of Sarotherodonniloticus × S. aureus). The results of Israeli and Egyptian studies indicated that, on the average, the yields for wastewater aquaculture were higher than the yields without wastewater. However the Egyptian study showed that in areas with inadequate dilution of wastewater by freshwater near to a sewage outfall, there were negative effects on fish production. Microbiological assays (E.coli and Aeromonas) of water and fish tissues, indicate that the Aeromonas counts were high in the water as well as in the fish tissue. The bacterial count was higher in the digestive tract than in the water in which the fish were grown. In most cases only Aeromonas was detected in muscles. There was no difference between wastewater-enriched and nonwastewater aquacultures for both E.coli and Aeromonas concentrations in fish tissues.
2
Bin Md Jamal, Muhammad Hazwan, and Y. M. Faiz. "Control System of Fish Feeding Devices in Actual Pond." Applied Mechanics and Materials 554 (June 2014): 337–41. http://dx.doi.org/10.4028/www.scientific.net/amm.554.337.
Full textAbstract:
The main objective of this project is to identify the development of PLC and movement control system providers to eat in wireless cable. Further the second objective is to develop a conveyor system for delivery of food to the system cable feed providers and the final objective is to develop a PLC system and a wireless control system. Components required in this project can be divided into two groups which are electrical components and mechanical components. For this research, some components are required and divided into two groups which the electrical components and mechanical components. The total average weight of pallet conveyors operate to fall during the first 5 minutes is a 286.67 grams, followed by 10 minutes is a 467.78 grams, 15 minutes is a 665.56 grams, last 20 minutes is a 860 grams and the last 25 minutes is a 964.45 grams. The average an increase was due to the time factor and heavy pallet that fell during the process. Then the average results for each test height of the cable before and after process run is taken and graphs drawn. For test average before the process run at station 1 and station 4 is 0.2371 meters followed by station 2, 3, 5 and station 6 is 0.1863 meters. After that, the test run average after the process for station 1 and station 4 is 1177 meters followed station 2, 3, 5 and station 6 is 1.1269 meters. The graph decrease machine because food distribution heavy and less strong pillars to hold cable the support and supports the machine. To increases graphs was due to the bad weather and weight factors distribution of food machine. In summary, the control system of the fish food provider can be developed even more to advance the fishing industry particular in Malaysia and general in the world.
3
Carey, T. J., and C. J. Smallridge. "A Research Project to Establish Criteria for the Reintroduction of Platypuses (Ornithorhynchus anatinus Into Selected Locations in South Australia." Australian Mammalogy 20, no. 2 (1998): 300. http://dx.doi.org/10.1071/am98300.
Full textAbstract:
Platypuses were once common through many waterways of South Australia but now only live in a small system of rivers on Kangaroo Island where they were introduced in 1940. There is renewed interest from individuals and organisations in re-establishing the species in areas of mainland South Australia. The main objective of this project is to identify essential criteria for maintaining platypuses in South Australian ponds. Platypuses were captured on Kangaroo Island and introduced into a two pond system at McLaren Vale south of Adelaide. The animals were radio tagged and their behaviour monitored. Prior to introduction the habitat was fenced to exclude foxes and feral cats. The ponds were improved by the removal of mosquito fish and trout, placement of snags in the water, planting of aquatic vegetation at the margin and management of the water volume and surface area. Observations indicated that soft moist soil at water level aids the creation of burrows and refuges which may take months to establish. In the interim platypuses will make use of natural earth cracks or create refuges in vegetation. The animals are active in the grassy surrounds, move freely between ponds and feed on supplements of mealworms and earthworms. Key requirements for establishing platypuses in pond systems will include the exclusion of mammalian predators, providing a habitat conducive to the establishment of burrows and optimising food availability.
4
Md Zain, Badrul Aisham, Muhammad Hazwan Md Jamal, and Salihatun Md Salleh. "Modelling and Control of Fish Feeder System." Applied Mechanics and Materials 465-466 (December 2013): 1314–18. http://dx.doi.org/10.4028/www.scientific.net/amm.465-466.1314.
Full textAbstract:
Food and feeding become a major challenge in aquaculture development. The way adjustment of food delivery to pond is an important role to get the maximum return or profit to aquaculture entrepreneurs. This project presents an investigation about the fish feeding system, a system device to feed fish at predetermined amounts of food and time. Moreover, the system is designed with a computer monitored system in order to manage and control the system with simulation. This project is a simulation investigation into the development of PID controller using Matlab/Simulink software. The simulation development of the PID controller with the mathematical model of fish feeder system is done using trial and error method. The PID parameter is to be tested with a DC motor. As a result, the best value of PID controller is achieved when Kp = 100, Ki = 0.05 and Kd = 25.
5
Ma’bud, Rasdiana S., and Fauziah Nurhamiddin. "The Optimization of Scheduling Development Process to Cultivate Nile Tilapia By Using Pert-Cpm Method." Agrikan: Jurnal Agribisnis Perikanan 13, no. 2 (December 3, 2020): 292. http://dx.doi.org/10.29239/j.agrikan.13.2.292-300.
Full textAbstract:
The problem in this research is how long thetime and costs in doing the development of cultivationthe Nile Tilapia by using PERT-CTM method and how to determine the optimal path for the work of project development of NileTilapia cultivation. This research was conducted in Togawa village, district of south Galela on July until August 2019. The source of data got in this study from primary data that is through direct observation to fish pond farmers who were the object of research as well as conducting interview with the owners of fish pond of Nile Tilapia, and alsoto collect the documentation of cultivation process of Nile Tilapia. The result of calculation using PERT – CTM method obtained that the optimization of the scheduling the development process of Nile Tilapia cultivation in period of 134 days with a fee of Rp. 21.700.000.
6
Borysiak, Anna, Janina Borysiak, Tomasz Joniak, and Barbara Nagengast. "Translocation of Nuphar lutea (L.) Sibth. & Sm. from the A2 road near Nowy Tomyśl (Poland) into alternative sites." Biodiversity: Research and Conservation 21, no. 1 (January 1, 2011): 63–72. http://dx.doi.org/10.2478/v10119-011-0010-1.
Full textAbstract:
Translocation ofNuphar lutea(L.) Sibth. & Sm. from the A2 road near Nowy Tomyśl (Poland) into alternative sitesA translocation ofNuphar lutea(L.) Sibth. & Sm. was made from its primary location in Prądówka, situated in the path of the construction site of the A2 motorway, into replacement biotopes. All rhizomes were taken out of the water and used to prepare cuttings. These were divided into three approximately homogeneous groups. Each group was introduced into different replacement water bodies with environmental conditions that resembled those of the biotope in the Prądówka site. Two of the water bodies were fish ponds. A third was a so called ‘ecological water body’ (settling pond, settling basin) that collected fall effluents delivered from the surface of motorway. The results of the examination of the physical-chemical features of water and bottom sediments from the Prądówka peat pit, two fish ponds and four settling basins are presented in the article. Biological and autecological features of the speciesNuphar lutea, which are significant from the aspect of the growth of the seedlings within the alternative sites, have been discussed. A year after translocation it was observed that in the case of fish ponds, 83% and 75% of the introduced plants survived, while in the settling basin only 50%. A conservation project was undertaken by the investor in order to compensate for the negative effects of the A2 motorway within the area of the European Ecological Natura 2000 Network.
7
Sharmin, Sajia, M. Harun Ar Rashid, Ratna Begum, and Sadia Sharmin Hoque. "Relative profitability of farming systems research and development (FSRD) project farmers and non-project farmers of integrated farming systems in Tangail district of Bangladesh." Journal of the Bangladesh Agricultural University 16, no. 1 (April 30, 2018): 117–22. http://dx.doi.org/10.3329/jbau.v16i1.36492.
Full textAbstract:
Integrated farming system modifies the commercial farming system which ensures higher food production to equate the demand, environmental protection through effective recycling of waste and increased farm income. The present study was undertaken to examine the relative profitability of FSRD project farmers and non-project farmers of integrated farming system. Eighty (80) farmers (40 from FSRD project and 40 from non-project farmers) were selected from Kalihati Upazila under Tangail district of Bangladesh. In the study area, vegetables, fish and poultry enterprises were integrated under technological intervention. The waste of poultry farm was used in fish production and the soil of the pond was used in vegetables cultivation. Per hectare net returns from integrated farming were estimated at Tk513458.10 and Tk256511.90for FSRD project farmers and non-project farmers, respectively. Benefit cost ratio (BCR) was 1.66 for FSRD project farmers and1.37 for non-project farmers. In functional analysis, human labor, fingerling, feed, fertilizer, insecticides costs in case of FSRD project farmers and human labor, feed, salt and lime costs in case of non-project farmers had significant impact on per hectare return of integrated farming. FSRD project farmers were more profitable than the non-project farmers. Therefore, it can be concluded that there is great scope to improve the overall economic condition of farmers through introducing integrated farming system in Tangail District of Bangladesh.J. Bangladesh Agril. Univ. 16(1): 117-122, April 2018
8
Bricks, Andriy L., Ruslan B. Gavryliuk, and Yuriy O. Negoda. "Hazard of petrochemical pollution of ponds of the “Olexandria” arboretum (Bila Tserkva)." Journal of Geology, Geography and Geoecology 29, no. 2 (July 7, 2020): 243–51. http://dx.doi.org/10.15421/112022.
Full textAbstract:
Groundwater pollution in the territory of Bila Tserkva aircraft repair plant developed in a latent form for decades, in a similar fashion to the territory of any object of the supply of petroleum products. In the early 90s of the last century, the first signs of this pollution were detected in places of natural drainage of the groundwater flow directed to the ponds cascade of the Western Hollow. It should be noted that this cascade of ponds located on the border of the arboretum protects the rest of the park by absorbing pollutants that migrate from the plant territory. More than 10 years of research of the contaminated area with the goal of designing remediation measures began and continued after that. This project was not implemented in full because of a lack of funds. Based on a comparative analysis of the results of ecological and hydrogeological studies of the past years and a modern survey of the western part of the arboretum “Olexandria” and the adjacent territory of the former aircraft repair plant, it was established that pollution of the pond “Poterchata” continues to this day. Over the past 12 years, the scheme of pollutants incoming into ponds has changed. At first, the main stream of oil pollutants directed to the upper reaches of the beam was considered as very dangerous. Nowadays, perhaps due to the remediation measures taken, this flow seems to be exhausted. However, there were signs of discharge of a polluted underground stream in the lower reaches of the pond “Poterchata”. In the soil samples from wells drilled near the water edge, the oil content is 600-900 mg/kg, and in places of water sampling from ponds, the content of dissolved hydrocarbons varies from 2 to 3 mg/dm3, that is, 60 times higher than the standard for fish farms ponds. It is assumed that LNAPL and contaminated groundwater move towards the cascade of ponds of the Western Hollow not in a continuous stream, but in the form of narrow tongues in places of increased conductivity, which are consistent with the lateral shallow gullies crossing the slope of hollow. It is possible that over time, oil pollution will reach the lower “Rusalka” pond. However, one cannot exclude the assumption of natural attenuation processes, the significance of which increased after the closure of the plant and a decrease in the volume of LNAPL because of its extraction from the subsoil. In order to confirm or refute the assumptions made and decide on the need to protect the ponds of the arboretum it has been planned to equip the observation points in places where we should expect influent of pollutants.
9
Foit, Franklin F., and Peter J. Mehringer. "Holocene tephra stratigraphy in four lakes in southeastern Oregon and northwestern Nevada, USA." Quaternary Research 85, no. 2 (March 2016): 218–26. http://dx.doi.org/10.1016/j.yqres.2015.12.008.
Full textAbstract:
To better understand the regional tephra stratigraphy and chronology of northern Nevada and southern Oregon, tephras in archived cores, taken as part of the Steens Mountain Prehistory Project from four lakes, Diamond Pond, Fish and Wildhorse lakes in southeastern Oregon and Blue Lake in northwestern Nevada, were reexamined using more advanced electron microprobe analytical technology. The best preserved and most complete core from Fish Lake along with Wildhorse Lake hosted two tephras from Mt. Mazama (Llao Rock and the Climactic Mazama), a mid-Holocene basaltic tephra from Diamond Craters, Oregon, two Medicine Lake tephras and an unexpected late Holocene Chaos Crags (Mt. Lassen volcanic center) tephra which was also found in the other lakes. Blue Lake was the only lake that hosted a Devils Hill tephra from the Three Sisters volcano in west central Oregon. Another tephra from the Three Sisters Volcano previously reported in sediments of Twin Lakes in NE Oregon, has now been confirmed as Rock Mesa tephra. The Chaos Crags, Devils Hill and Rock Mesa tephras are important late Holocene stratigraphic markers for central and eastern Oregon and northwestern Nevada.
10
Demény, Ferenc. "Clay-pit systems fishfaunistic research in the Middle-Tisza." Acta Agraria Debreceniensis, no. 25 (April 11, 2007): 81–92. http://dx.doi.org/10.34101/actaagrar/25/3040.
Full textAbstract:
After the regulation of the Tisza River the chance of successful fish propagation lessened. Natural spooning places in the river almost completely disappeared. The fish have to find an adequate place for their propagation in the flood plain. The period of spooning usually coincides with flooding of the river. At this time fish try to find the flooded shallow places for spooning. These parts mostly include the clay-pits beside dams, which were accidentally established during construction of the dams. At this place the fry can find the necessary food. After decreasing the flood the fingerlings and a part of the spooners are trapped inclay-pits as these latter ones are not connected with the river bed. The clay-pits usually desiccate during the summer. The trapped fish population is eaten by water birds or harvested by the local man population. This means a great loss for reproduction of some fishspecies.Within the framework of the Regional Rehabilitation Program at Nagykörű, supported by the “WWF Hungary” and a “SAPARD project,” these clay-pits became connected with each other in a stretch of 5 km, and they were jointed to the Tisza by a collecting channel. The water level has been regulated by a flood gate so that the water enters the holes during the flood and is released later on in to the water bed.Data on fish were collected from the Nagykörű Whole System, from the Anyita pond and some isolated wholes in Szandaszöllős in 2004 and 2005. First of all fish fry and fingerling were collected and the success of spooning at these places was examined. Fry was harvested by a 60 x 80 cm sized lifting net of 2x3 mm mesh size. In other cases nets used by anglers for catching prey fishes was also used. Data were also collected from local fishermen who participated in saving the fry and fishing of Anyita pond.Of the several thousand caught fish specimens 28 species were identified, and among them 5 protected and 5 economically important species was found. Protected fishes were as follow: gudgeon (Gobio gobio), bitterling (Rhodeus sericeus amarus), weather fish (Misgurnus fossilis), spined loach (Cobitis elongatoides) and tubenosed goby (Proterorhinus marmoratus). Among economically important fishessamples of asp (Aspius aspius), carp (Cyprinus carpio), wels (Silurus glanis), pike (Esox lucius) and pikeperch (Sander lucioperca) were
Dissertations / Theses on the topic "Fish Pond Project"
1
Yabaki, Tamarisi, and n/a. "WOMEN�S LIFE IN A FIJIAN VILLAGE." University of Canberra. School of Education and Community Studies, 2006. http://erl.canberra.edu.au./public/adt-AUC20070525.122849.
Full textAbstract:
The impact of the market economy is a significant challenge facing Fijian rural
communities. It is especially challenging for indigenous rural women who are managing
the shift from a subsistence way of living to engagement in money generating activities.
The challenge is more acute amongst disadvantaged populations such as women in rural
communities who lack the resources and the political power to manage these challenges.
The thesis provides a critical ethnographic, action-research study of the daily socioeconomic
experiences of a group of Fijian village women, at this time of significant
change. It provides and in-depth case study of a rural Fijian village located in the upper
reaches of the Sigatoka Valley. The case study focuses on the women�s perspectives
about their daily lived experiences and actions that followed from reflection on these,
drawing out from these implications for indigenous Fijian women�s social progress and
development. Herself, a member of the community, the researcher gathered data by a
combination of participant observation, survey, diaries, focus groups and interviews. The
researcher�s observations and understandings were fed back to the participants in the
form of a workshop with the intention of confirmation and to provide and opportunity for
action based on this reflection. It is argued that the success of managing the influence of
the market economy on the villagers is to create social and political spaces and
opportunities to hear and understand local epistemologies and daily lived experiences,
reflexively.
As an indigenous scholar, the researcher interrogates and deconstructs her own academic
epistemologies and positions as a knowledge broker in order to co-construct new
practices with her people. The research promises to make public Fijian village women�s
knowledge, values, practices and experiences so that they can be understood by local
scholars and local government development officers. Privileging the village women�s
knowledge and bringing it to the core is a significant political act that might form the
basis of proceeding political encounters that women will face in the development process.
2
Salys, Mindaugas. "Akvakultūra sodyboje. Tvenkinio įrengimo ir įžuvinimo projekto analizė." Master's thesis, Lithuanian Academic Libraries Network (LABT), 2013. http://vddb.laba.lt/obj/LT-eLABa-0001:E.02~2013~D_20130618_095847-88147.
Full textAbstract:
Darbo aktualumas: Mokslinėje literatūroje pateikiama daug duomenų ir informacijos apie žuvų auginimo ypatumus žuvininkystės ūkiuose auginat žuvis pramoniniu būdu. Sodybiniai vandens telkiniai savo ruožtu įrengiami ir žuvys jose auginamos bei veisiamos šių telkinių savininkų nuožiūra. Trūksta mokslinių tyrimų ir metodinės literatūros analizuojančios sodybinių vandens telkinių įrengimo bei jų pritaikymo mėgėjiškos akvakultūros vystymui, problematiką, todėl ši sritis nusipelno išsamesnės mokslinės analizės.
Darbo tikslas: Išanalizuoti sodybinių vandens telkinių įrengimo, jų priežiūros bei žuvų auginimo sodybiniuose vandens telkiniuose ypatumus.
Darbo uždaviniai: 1. Apibrėžti dirbtinių vandens telkinių įrengimo teisinį reglamentavimą, atlikti sodybinių vandens telkinių įrengimo projektų vertinimą. 2. Aprašyti sodybiniuose vandens telkiniuose auginamas žuvų rūšis ir aptarti jų auginimo sodybiniuose vandens telkiniuose specifiką. 3. Atlikti vandens telkinių vandens fizinių savybių, cheminės sudėties ir mikrobiologinius tyrimus bei pateikti sodybinių vandens telkinių vandens kokybės vertinimą. 3. Nustatyti su sodybinių vandens telkinių priežiūra, žuvų veisimu ir auginimu susijusias problemas bei pateikti rekomendacijas problemų sprendimui.
Išvados: 1. Tiriami sodybiniai vandens telkiniai įrengti pagal suderintus nesudėtingus vandens telkinių įrengimo projektus prisilaikant LR Aplinkos apsaugos įstatyto ir kitų teisės aktų reikalavimų. Sodybinių vandens telkinių įrengimo metu... [toliau žr. visą tekstą]It is hard to imagine a Lithuanian country district with no pond. Recently the owners of the ponds more and more often select the homestead ponds which are well adapted to the amateurish fish breeding, growing and recreation. It is important, while setting such homestead ponds, to understand the biology of separate fish breeds and to realize the pond as individual and complex ecosystem. Homestead ponds and the water quality need to satisfy biological features of fish and to secure their wellness and nutritional quality. This demands a good knowledge and appropriate competency of the owners at such spheres as pond equipment, fish breeding, fish growing, fish additional feeding, evaluation of water quality and etc. Scientific literature supplies plenty of data and information about peculiarities of fish growing at the fishery farms where the fish are cultured in an industrial way. The homestead ponds are set and the fish are grown and bred at the discretion of the owners. This sphere deserves particular scientific analysis because of the lack of scientific investigations and methodological literature which analyzes the topic of pond equipment and adjustment for the development of amateurish aquaculture. The aim of this study is to analyze the peculiarities of pond equipment, observation and fish growing in the ponds. In order to reach the goal several tasks which include definition of the juridical regulation of pond equipment and evaluation of pond equipment projects were made... [to full text]
Books on the topic "Fish Pond Project"
1
Peterson, N. Phil. Riverine pond enhancement project, October 1982-December 1983. [Olympia?]: State of Washington, Dept. of Fisheries : Dept. of Natural Resources, 1985.
Find full text
2
Sumatera Utara (Indonesia). Badan Investasi dan Promosi. Project profile: Grouper fish, palm oil industry, prawn pond. [Medan]: Investment & Promotion Board, North Sumatera Province, 2005.
Find full text
3
Slavens, Kate. The Western Pond Turtle Project in Washington: A cooperative effort between the Washington Department of Fish & Wildlife and the Woodland Park Zoological Gardens : how you can help save this endangered species. Olympia, Wash: Washington Dept. of Fish and Wildlife, 1999.
Find full text
4
Taylor, Shawn R. Hill areas fish culture: Guidelines for highland pond and rice fish culture : final report, June 1985-August 1987 : a Farming Systems Research Project. Chiang Mai, Thailand: The Institute, 1991.
Find full text
5
Rathvon, Roy. Progress report for Barnaby Slough, Skykomish Rearing Ponds and Whitehorse Rearing Ponds: Project number F-55-D, period July 1, 1989-June 30, 1990. [Olympia, Wash.]: Washington Dept. of Wildlife, Fisheries Management Division, 1991.
Find full text
6
Huwe, Tim. Progress report for Whitehorse Rearing Ponds, Skykomish Rearing Ponds and Barnaby Slough: Project number F-55-D, period July 1, 1988-June 30, 1989. [Olympia, Wash.]: Washington Dept. of Wildlife, Fisheries Management Division, 1990.
Find full text
7
Rathvon, Roy. Progress report for Barnaby Slough, Skykomish Rearing Ponds and Whitehorse Rearing Ponds, Period July 1, 1989-June 30, 1990: Project number F-55-D. [Olympia, Wash.]: Washington Dept. of Wildlife, Fisheries Management Division, 1991.
Find full text
8
Watanabe, Tatsuya. The ponds and the poor: The story of Grameen Bank's initiative. Dhaka, Bangladesh: The Bank, 1993.
Find full text
9
Final report, evaluation of pond rearing of chinook salmon project (5.12). [Arcata, Calif.]: State of California, Resources Agency, Dept. of Fish and Game, Inland Fisheries : [U.S. Fish and Wildlife Service], 1990.
Find full text
10
U.S. Fish and Wildlife Service, ed. Final report, evaluation of pond rearing of chinook salmon, project (5.12). [Arcata, Calif.?]: State of California, Resources Agency, Dept. of Fish and Game, Inland Fisheries, 1993.
Find full textBook chapters on the topic "Fish Pond Project"
1
"Multispecies and Watershed Approaches to Freshwater Fish Conservation." In Multispecies and Watershed Approaches to Freshwater Fish Conservation, edited by Stephen T. Hurley. American Fisheries Society, 2019. http://dx.doi.org/10.47886/9781934874578.ch21.
Full textAbstract:
<em>Abstract</em>.—Waquoit Bay is a coastal estuary located on the south side of Cape Cod. The primary rivers feeding the bay, the Quashnet and Childs rivers, are small, coldwater, groundwater-fed streams. Most of the watersheds of both rivers were originally set aside in the 1600s as a plantation for the Native American Mashpee Wampanoag tribe. The rivers were heavily modified in the late 1700s by the building of mill dams and later in the 1800s by cranberry agriculture. The anadromous Brook Trout <em>Salvelinus fontinalis </em>fisheries in both rivers were acclaimed in the early 1800s. Anadromous river herring <em>Alosa </em>spp. runs were created on both streams by connecting the streams to Johns Pond, a natural kettle hole pond. After anadromous Brook Trout populations declined due primarily to habitat loss, efforts were initiated in the 1950s to restore anadromy to Brook Trout in Cape Cod rivers by overstocking with hatchery Brook Trout. After this project, land protection along the river started with the purchase of abandoned cranberry bogs. Both rivers were heavily stocked with Brown Trout <em>Salmo trutta </em>in the 1970s and 1980s to create a sea-run Brown Trout fishery. In 1976, Trout Unlimited began an ongoing habitat improvement project in the Quashnet River. In the 1970s and 1980s, the rapid development of Cape Cod threatened the watershed. In 1988, the Waquoit Bay National Estuarine Research Reserve was formed and the Commonwealth of Massachusetts purchased land in the watershed to preserve it as open space. As part of the purchase agreement, a potential well site was reserved, which led to studies by the U.S. Geological Survey on the hydrology of the Quashnet River and the impact of potential wells. In the early 1990s, fisheries management shifted away from the stocking of Brown Trout to focus on the native Brook Trout fishery. The Mashpee National Wildlife Refuge, a consortium of landowners centered on Waquoit Bay, was formed in 1995. In 1997, the contaminant ethylene dibromide from the former Otis Air Force Base Superfund site was found to be entering the upper Quashnet River. This led to the creation of a system of berms and groundwater extraction systems. The failure of part of the berm system led to concerns about fisheries impacts, and a restoration plan was developed. A Brook Trout passive integrated transponder tagging project was initiated on the Quashnet River in 2007, and the Brook Trout population has been annually sampled since 2000. In 2008–2010, adult wild Brook Trout from the Quashnet River were transplanted to the Childs River and a wild Brook Trout population was reestablished. Nitrogen loading from the watershed has become a major issue for the Waquoit Bay estuary, causing algae blooms and water-quality impacts. The fisheries of the Waquoit Bay tributaries have been protected and enhanced by an ongoing combination of land protection, fisheries management and research activities, and habitat improvements involving a wide variety of partners. Watershed development and potential climate change continue to threaten both the estuarine resources of Waquoit Bay and the native freshwater and diadromous fisheries of its tributaries.
2
N. Munubi, Renalda, and Hieromin A. Lamtane. "Animal Waste and Agro-by-Products: Valuable Resources for Producing Fish at Low Costs in Sub-Saharan Countries." In Innovation in the Food Sector Through the Valorization of Food and Agro-Food By-Products. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.95057.
Full textAbstract:
Animal and crop production throughout the world generate high amounts of wastes or by-products annually that may possess added value compounds with high functionality. These wastes and by-products may cause negative environmental impacts and significant expenses if not well managed and or controlled. Much of these wastes and by-products is valuable and cheaper source of potentially functional compounds such as proteins, lipids, starch, micronutrients, bioactive compounds, and dietary fibbers. In aquaculture, feed is expensive, and the existing body of literature has shown that animal manure and its extracts can be successfully incorporated into fishpond to increase fish production at a low cost. In addition, crop residues such as rice bran, maize bran, and seed cakes are commonly used as pond inputs in small-scale aquaculture. Animal waste and crop residues are added in a fishpond that filter-feeding fish can use directly as feed, and these may form a major proportion of the detritus in the pond. These resources also stimulate the growth of phytoplankton that are rich in protein and are the basis of the food web that can support the growth of a range of herbivorous and omnivorous fish. Therefore, technically, wastes are used as direct feed, a source of minerals for autotrophic production and a source of organic matter for heterotrophic production. In this context, animal manure and crop residues have been used to provide great opportunities to improve food security. The purpose of this review is to project the potential of animal waste and agro-by-products as a sustainable alternative as aquaculture inputs to reduce poverty, malnutrition, and hunger in developing countries.
3
Adams, Jonathan S., and Bruce A. Stein. "Biodiversity: Our Precious Heritage." In Precious Heritage. Oxford University Press, 2000. http://dx.doi.org/10.1093/oso/9780195125191.003.0007.
Full textAbstract:
Unusually heavy rains in the winter of 1969 transformed California’s normally dry Owens Valley, causing an explosion of grasses and reeds along the edge of the Owens River. Lying in the eastern rain shadow of the Sierra Nevada, not far from Death Valley, the river flows south down the valley before disappearing into a dry lake bed. By summer the heavy vegetation along the river and its adjacent spring-fed marshes was sucking up moisture and releasing it into the hot, dry air. At the same time, the flow from one of these springs suddenly and mysteriously dropped, and parts of a wetland called Fish Slough began to dry up fast. The disappearance of the small pools that make up Fish Slough would have gone unnoticed in a world not reshaped by human hands. Desert springs and marshes can be verdant one year, parched the next. Human activity, however, had made Fish Slough a vital place. The need for water to support Los Angeles and other cities has led to all manner of water projects, including dams, reservoirs, canals, and aqueducts. One of those projects, the Los Angeles Aqueduct, diverted nearly all the water from the Owens River beginning in 1913, greatly reducing the flows that once created seasonally flooded shallows along the river’s edge. Those shallow, warm waters provided ideal habitat for a unique species offish, the Owens pupfish (Cyprinodon radiosus). The loss of habitat, along with the introduction of exotic species like largemouth bass, gradually eliminated the pupfish from most of its relatively limited range, until the species remained only in Fish Slough. If the marsh disappeared, so would the Owens pupfish. Alerted to the potential disaster, Phil Pister, a fishery biologist working nearby with the California Department of Fish and Game, and two colleagues grabbed nets, buckets, and aerators and raced for the pond (Pister 1993). They removed the last 800 of the two-inch-long pupfish to wire mesh cages in the main channel of the slough. As his colleagues drove off, thinking the pupfish at least temporarily secure, Pister realized that the cages were in eddies out of the main current and that the water in the eddies was not carrying enough dissolved oxygen.
4
"Urban and Community Fisheries Programs: Development, Management, and Evaluation." In Urban and Community Fisheries Programs: Development, Management, and Evaluation, edited by Edward F. Woltmann, Gregory Kozlowski, and Charles A. Guthrie. American Fisheries Society, 2008. http://dx.doi.org/10.47886/9781934874042.ch25.
Full textAbstract:
<em>Abstract.-</em>New York’s involvement in urban fisheries can be traced back to 1978 when a two-year demonstration project was initiated in New York City and other urban areas in the state. Unfortunately, the program failed to consider the inherent differences between metropolitan New York and the Midwest in terms of what the public expectations were of such a program. While the St. Louis program was achieving use rates of over 10,000 h/acre, the New York program was only achieving use rates of 49-2,176 h/acre annually, resulting in its demise in 1980. In 1992, the New York State Department of Environmental Conservation began a new community fishing initiative in Nassau County (Long Island). This initiative used traditional and innovative strategies to encourage local governments to work to improve the County’s freshwater resources, encourage individuals to try the sport of fishing, better manage existing fish populations, and enhance existing fishing opportunities through a fall trout stocking program. These efforts contributed to an 85% to 162% increase in angler use of individual ponds and a 111% increase in the number of angler-days expended in Nassau County.
5
Colby, Jason M. "Haida’s Song." In Orca. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780190673093.003.0022.
Full textAbstract:
Haida Didn’t Know it, but Bob Wright was thinking of setting him free. A longtime attraction at Wright’s Sealand of the Pacific, the male orca had reached twenty-three feet, and despite being paired with several females, he had failed to impregnate any of them. In June 1982, the oceanarium’s director, Angus Matthews, proposed an exchange to the Canadian government. In return for a permit to capture two young killer whales in local waters, Sealand would release Haida to the wild. It was a bold plan, made possible by recent scientific breakthroughs. Using Haida’s own calls, researchers had deduced that he was a member of L pod, one of the three southern resident pods identified and named by Mike Bigg. But the orca’s training for release would begin only after Sealand acquired new whales. Following a successful capture, Matthews explained, the oceanarium would move Haida to a pen in Pedder Bay, where the long-captive orca could learn to catch live fish and make acoustic contact with his family. But Matthews cautioned that success would ultimately depend on the whale himself. “Haida will be given his own choice,” he emphasized, “of joining his old pod and becoming a born-again whale, or returning to his friends at Sealand.” In late August, the Department of Fisheries and Oceans (DFO, formerly the Department of the Environment) approved the project and assigned Bigg to supervise it. The respected scientist cautioned the public that there was no guarantee Haida would survive, but he argued that the release “needs to be tried.” Critics disagreed. Some accused Sealand of plotting to abandon Haida now that he had served his purpose. Likening the plan to “throwing out the family pet when it is no longer young and amusing,” one local woman warned that Haida’s “trust in humans will probably result in a bullet from a gun-happy fisherman.” The fiercest opposition came from Greenpeace, which denounced the entire proposal. Declaring rehabilitation “unlikely,” Greenpeace Canada president Patrick Moore argued that to move the imprisoned whale to a “halfway house” in Pedder Bay would be “to condemn him to death—alone.”