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Journal articles on the topic 'Lakes – Management'

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Published: 4 June 2021

Last updated: 9 February 2022

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1

Pan, Bao Yuan, Guo Ting Yang, Yun Ma, and Yi Bin Ren. "Countermeasure and Research of Jingbo Lake Water Environment Rehabilitation." Advanced Materials Research 518-523 (May 2012): 164–67. http://dx.doi.org/10.4028/www.scientific.net/amr.518-523.164.

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China is a country with a large lakes, with the development of social economy, the water pollution of lakes is more serious, lake’s eutrophication has become the major environmental problems of the China's lakes and reservoirs. This document explains through the investigation and evaluation environment to analyze the current situation and the pollution of Jingbo Lake, and puts forward countermeasures and pollution control environmental protection measures for management of Jingbo Lake, develop and provide technical reference of Jingbo Lake.

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2

Muhandiki, V. S., and T. J. Ballatore. "Effective lake basin management institutions: lessons from African lakes." Water Science and Technology 56, no. 1 (July 1, 2007): 189–98. http://dx.doi.org/10.2166/wst.2007.451.

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Weak or non-existent institutions are often cited as a major constraint facing management of many lake basins in Africa. By their nature lake basins cut across many sectoral and jurisdictional interests and therefore it is always the case that management of the basins is affected by actions within the various sectors and jurisdictions. Because of the complex nature of issues within lake basins, authority over management of lake basins is dispersed among several institutions, with no single institution having overall authority. Under these circumstances, a major challenge in lake basin management is how to ensure effective coordination among the various players. This paper reviews the situation of lake basin management at eight African lake basins and draws important lessons about lake basin management institutions. It is noted that fragmented approaches, lack of coordination across sectors, and lack of monitoring and enforcement are major institutional weaknesses. Also, it is observed that political will and commitment are essential for the management of African lake basins.

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3

Chang, William Y. B. "Management of shallow tropical lakes using integrated lake farming." SIL Communications, 1953-1996 24, no. 1 (January 1994): 219–24. http://dx.doi.org/10.1080/05384680.1994.11904040.

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4

Kok, Sandra. "Wet-Weather Flow Management in the Great Lakes Areas of Concern." Water Quality Research Journal 39, no. 4 (November 1, 2004): 319–30. http://dx.doi.org/10.2166/wqrj.2004.045.

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Abstract Under the Government of Canada's Great Lakes Program, the Great Lakes Sustainability Fund and its predecessor programs (the Great Lakes Cleanup Fund and the Great Lakes 2000 Cleanup Fund) were established to implement cleanup actions and strategies that would contribute to the restoration of beneficial uses in environmentally degraded areas (known as Areas of Concern) in the Great Lakes basin. The Great Lakes Sustainability Fund is administered by Environment Canada on behalf of eight Government of Canada departments. Contributing to impaired beneficial uses are municipal wastewaters generated from the urban centres in the Great Lakes Areas of Concern. These municipal wastewaters include treated sewage and wetweather discharges of combined sewer overflows and stormwater runoff. This paper provides an overview of the Municipal Wastewater Program of the federal government's Great Lakes Sustainability Fund and highlights the progress made to date under the program towards wet-weather flow management and the Program's role in developing and demonstrating sustainable approaches and technologies in the Great Lakes Areas of Concern.

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5

Whitton, B. A., J. Salanki, and S. Herodek. "Conservation and Management of Lakes." Journal of Ecology 78, no. 2 (June 1990): 553. http://dx.doi.org/10.2307/2261137.

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6

Flower, R., J. Salanki, and S. Herodek. "Conservation and Management of Lakes." Journal of Applied Ecology 28, no. 2 (August 1991): 749. http://dx.doi.org/10.2307/2404587.

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7

Reddy, M. S., and N. V. V. Char. "Management of lakes in India." Lakes & Reservoirs: Research & Management 11, no. 4 (December 2006): 227–37. http://dx.doi.org/10.1111/j.1440-1770.2006.00311.x.

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8

Dekker, Willem. "Conservation and management of lakes." Aquaculture 94, no. 4 (May 1991): 391–92. http://dx.doi.org/10.1016/0044-8486(91)90184-9.

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9

Wiegleb, G. "Conservation and management of lakes." Aquatic Botany 38, no. 2-3 (November 1990): 311–12. http://dx.doi.org/10.1016/0304-3770(90)90015-d.

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10

Santiago, Roger, and Jean-Pierre Pelletier. "Contaminated Sediment Management: the Canadian Experience." Water Quality Research Journal 36, no. 3 (August 1, 2001): 395–411. http://dx.doi.org/10.2166/wqrj.2001.024.

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Abstract Since the beginning of North America's industrialization, the Great Lakes have been negatively impacted by the discharge of industrial, agricultural and municipal pollutants. The governments of Canada and the United States have recognized that the accumulation of pollutants within the bottom sediment and the water column has had a detrimental effect on the Great Lakes ecosystem. In 1972, Canada and the United States signed the Great Lakes Water Quality Agreement, which established common water quality objectives and commitments to programs and other measures to achieve these objectives. This included measures for the abatement and control of pollution from dredging activities. By 1985, the International Joint Commission, a body established by the two countries to provide advice on boundary water issues, identified 43 Areas of Concern where impaired water quality prevented full beneficial use of rivers, bays, harbours and ports. The Great Lakes Water Quality Agreement, amended in 1987, committed both countries to concentrate remediation efforts in these 43 Areas of Concern. This led to the development of Remedial Action Plans to assess and remediate contamination problems. Contaminated sediment was identified in all of these Areas of Concern. In 1989, the Canadian government created the 5-year $125-million Great Lakes Action Plan in support of the Great Lakes Water Quality Agreement. Of this, $55 million was allocated to the Great Lakes 2000 Cleanup Fund for the 17 Canadian Areas of Concern. A portion of the Cleanup Fund was designated for the development and demonstration of technologies for assessment, removal and treatment of contaminated sediment. Since its creation, the Remediation Technologies Program, established under the Cleanup Fund, has successfully performed 3 full-scale remediation projects, 11 pilot-scale technology demonstrations and 29 bench-scale tests. In addition to these projects, the program also evaluated existing sediment management practices and processes.

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11

Gu, Zheng Di, and Qi Chen. "Study on Rivers and Lakes Comprehensive Management Environment Audit Mode." Advanced Materials Research 518-523 (May 2012): 4354–61. http://dx.doi.org/10.4028/www.scientific.net/amr.518-523.4354.

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Along with the construction and implementation about a series of the national management planning of major rivers and lakes, more and more researchers pay attention to the environment audit about rivers and lakes comprehensive management. But in domestic studies on this issue is less, and creating a theory system about this issue has important practical significance. Therefore, through studying the situation and problems of the environment audit about rivers and lakes comprehensive management in Chinese, this paper try to constructing the environment audit mode about rivers and lakes comprehensive management, and putting forward the improvement Suggestions innovative, in order to provide some guidance on the audit work in theory and practice.

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12

Wisner, Paul. "Aspects of 25 years of Canadian experience with stormwater management lakes." Water Science and Technology 36, no. 8-9 (October 1, 1997): 367–71. http://dx.doi.org/10.2166/wst.1997.0694.

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The experience of older stormwater management (SWM) lakes in Canada shows that, even if peak flood reduction or effluent objectives requested by guidelines can be achieved, future public perceptions of lakes as an amenity were sometimes overestimated, and municipal rehabilitation efforts to avoid complaints can, in some situations, become significant. Analysis of limnologic performance and review of problems of older lakes was used in recent projects for the development of improved solutions for future lakes and a public consultation based on more realistic predictions.

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13

Dembowska, Ewa. "Cyanobacterial blooms in shallow lakes of the Iławskie Lake District." Limnological Review 11, no. 2 (January 1, 2011): 69–79. http://dx.doi.org/10.2478/v10194-011-0028-y.

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Cyanobacterial blooms in shallow lakes of the Iławskie Lake DistrictThe dominance of blue-green algae observed in many lakes is related to a high trophic level. Shallow eutrophic lakes are particularly often abundant in blue-green algae. The research on phytoplankton, the results of which are presented in this paper, was carried out between 2002 and 2005 in six lakes. These lakes differed considerably in their size and management methods applied in the catchment (drainage) area. A few types of water blooms were distinguished, which is related to the catchment area management, the intensity of mixing and the trophic level. Algal blooms of the Planktothrix type appeared in lakes situated in an open area of agricultural catchment basins. Algal blooms of the Limnothrix type were characteristic of lakes with a forest-agricultural catchment area but surrounded by high shores, which reduced the wind influence on the mixing. Sporadic mixed algal blooms were typical of lakes situated in forest catchment areas.

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14

Hansen, Gretchen J. A., Stephen R. Carpenter, Jereme W. Gaeta, Joseph M. Hennessy, and M. Jake Vander Zanden. "Predicting walleye recruitment as a tool for prioritizing management actions." Canadian Journal of Fisheries and Aquatic Sciences 72, no. 5 (May 2015): 661–72. http://dx.doi.org/10.1139/cjfas-2014-0513.

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We classified walleye (Sander vitreus) recruitment with 81% accuracy (recruitment success and failure predicted correctly in 84% and 78% of lake-years, respectively) using a random forest model. Models were constructed using 2779 surveys collected from 541 Wisconsin lakes between 1989 and 2013 and predictor variables related to lake morphometry, thermal habitat, land use, and fishing pressure. We selected predictors to minimize collinearity while maximizing classification accuracy and data availability. The final model classified recruitment success based on lake surface area, water temperature degree-days, shoreline development factor, and conductivity. On average, recruitment was most likely in lakes larger than 225 ha. Low degree-days also increased the probability of successful recruitment, but primarily in lakes smaller than 150 ha. We forecasted the probability of walleye recruitment in 343 lakes considered for walleye stocking; lakes with high probability of natural reproduction but recent history of recruitment failure were prioritized for restoration stocking. Our results highlight the utility of models designed to predict recruitment for guiding management decisions, provided models are validated appropriately.

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15

Romo, Susana, and Eloy Bécares. "Water management of two shallow urban eutrophic lakes." Water Science and Technology 30, no. 10 (November 1, 1994): 299–302. http://dx.doi.org/10.2166/wst.1994.0540.

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The efficiency and effects of aluminium sulphate on water quality of two shallow urban eutrophic lakes of Madrid (Spain) is reported. Almost all the controlled variables improved with the treatment, especially nutrients, pH and transparency. The application of the method during spring and summer reduced nutrient content for the remainder of the seasons. However, phytoplankton density in both lakes needs supplementary measures for long-term control. The treatment seems not alter fish populations.

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16

PURBA, GANDI Y. S., EKO HARYONO, SUNARTO SUNARTO, JEMMY MANAN, LUKAS RUMENTA, PURWANTO PURWANTO, and LEONTINE E. BECKING. "Jellyfish Lakes at Misool Islands, Raja Ampat, West Papua, Indonesia." Biodiversitas Journal of Biological Diversity 19, no. 1 (January 1, 2018): 172–82. http://dx.doi.org/10.13057/biodiv/d190124.

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Purba GYS, Haryono E, Sunarto, Manan J, Rumenta L, Purwanto, Becking LE. 2018. Jellyfish Lakes at Misool Islands, Raja Ampat, West Papua, Indonesia. Biodiversitas 19: 172-182. Misool Islands, located in southern Raja Ampat in West Papua, has dozens of anchihaline lakes (marine lakes). Three of these lakes, Lenmakana, Karawapop, and Keramat, house populations of jellyfish. This study mapped and described the characteristics of the three â€˜jellyfish lakesâ€™ during field surveys in October 2015 and May 2016. The lakes ranged in area from 0.5âˆ’3.2 hectares. All three lakes harbored Mastigias papua, Lenmakana and Keramat lakes also harbored Aurelia sp., and Keramat had a third jellyfish species Cassiopea ornata. However, at Karawapop the jellyfish were not found on the water surface during the first round of field work because of effects associated with the El NiÃ±o phenomenon at that time. As a result of the El NiÃ±o effect, at Keramat, brown Mastigias became white in May 2016. The three lakes have different tidal delays (30âˆ’120 min) and dampened tidal amplitude (62%) compared to the sea. The benthos was found to be dominated by bivalves (Brachidontes sp.), algae (Cladophora sp., or Halimeda sp.) and sponges (predominantly Haliclona spp. and Tethya spp.). In addition, species of the family Synaptidae (Holothuroidea) were abundant and spread over almost all the bottom of Karawapop Lake, while tube-worms of the Polychaeta class were identified in Keramat Lake. Although these lakes are identified as a conservation area, currently there is no management activity in Lenmakana and Karawapop Lakes, despite the fact that the lakes are growing in popularity as a tourist site. Our paper provides the baseline data for future conservation efforts.

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17

Doulgeris, Charalampos, Panagiota Koukouli, Pantazis Georgiou, Paschalis Dalampakis, and Dimitrios Karpouzos. "Assessment of Minimum Water Level in Lakes and Reservoirs Based on Their Morphological and Hydrological Features." Hydrology 7, no. 4 (November 6, 2020): 83. http://dx.doi.org/10.3390/hydrology7040083.

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The sustainable management of lakes and reservoirs requires the determination of their minimum environmental water level. Even though the assessment of minimum water level depends on a number of biotic and abiotic factors of the lake ecosystem, in many cases these factors are not entirely known and, furthermore, their evaluation is usually a challenging and laborious task. On the other hand, the lakes/reservoirs may comprise an important water resource to meet the requirements arising from economic activities. In this paper, the morphological and hydrological features of four lakes of northern Greece were analysed in order to assess their minimum environmental water level. The hydromorphological analysis was based on the relationship of the lake surface area and volume with water level as well as the water inflow from the lake’s hydrological catchment area, considering as the lake’s critical volume storage, the annual water volume flowing into a lake from its hydrological catchment area with a probability of exceedance 50% of a long time series of hydrological years. By combining morphological and hydrological features, the proposed methodology aimed to extend the analysis based solely on morphological features, and assess more comprehensively the minimum environmental water level in the four lakes, ensuring also the rising from the minimum level to the maximum (overflow) level for most of the hydrological years.

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18

Pambudi, Andi Setyo. "SUSTAINABLE LAKE/SITU MANAGEMENT." Indonesian Journal of Applied Research (IJAR) 2, no. 2 (August 13, 2021): 79–91. http://dx.doi.org/10.30997/ijar.v2i2.108.

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The increasingly advanced developmentnin the city of Bogor has an impact on the carrying capacity of the environment. One that is rarely in the spotlight is about the decreasing number of lakes in Bogor. In urb an areas such as Bogor City, local people refer to the lakes as situ or setu. The existence of these “Situ” affects the water system, both in this city and in the surrounding areas. Although “Situ” play a vital role in maintaining the balance of urban water systems, they have not received sufficient attention in the planning documents for the City of Bogor, both annual and medium-term documents. The rapid development of the city affects thequantity and quality of urban lake water in the city of Bogor. These “Situ continue to experience physical and ecological degradation which increases the threat to the health of the population of the city of Bogor. This situation shows that the site has not been managed and functioningnproperly. Human and natural disturbances such as encroachment, garbage disposal, and untreated waste have polluted “Situ” water and reduced its volume capacity. Most of the lakes in the city of Bogor experience disturbances in damaged environmental conditions. This paper seeks to examine th e condition of the “Situ” in Bogor City and its problems based on literature studies from previous researchers. The results of the research will provide recommendations based on scientific theories and existing regulations, both national regional regulations and regional regulations in Bogor City

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19

Castagna, Sara Elisa Domenica, Domenico Antonio De Luca, and Manuela Lasagna. "Eutrophication of Piedmont Quarry Lakes (North-Western Italy): Hydrogeological Factors, Evaluation of Trophic Levels and Management Strategies." Journal of Environmental Assessment Policy and Management 17, no. 04 (December 2015): 1550036. http://dx.doi.org/10.1142/s1464333215500362.

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Quarry lakes resulting from alluvium extraction have excavation depths that can reach the shallow aquifer and extend beyond the piezometric surface. Similar to natural lakes, pit lakes are subject to eutrophication process, both during and after quarrying activity; during mining activity, the eutrophic level is strongly controlled by the excavation method. The present study describes the trophic status of several quarry lakes in the Piedmont plain (north-western Italy) that were evaluated by applying classifications from scientific literature. Most of the studied quarry lakes were mesotrophic or eutrophic, and a slight worsening of water quality was observed over time. In addition, the paper focuses on the pit lake water quality and pit dimension; it was shown that lakes with a larger depth and volume generally had a lower tendency towards eutrophication. At last some management strategies were suggested to achieve environmental sustainability.

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20

Hrabik, Thomas R., and John Magnuson. "Simulated dispersal of exotic rainbow smelt (Osmerus mordax) in a northern Wisconsin lake district and implications for management." Canadian Journal of Fisheries and Aquatic Sciences 56, S1 (November 30, 1999): 35–42. http://dx.doi.org/10.1139/f99-220.

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We simulated geographic dispersal of exotic rainbow smelt (Osmerus mordax) as a function of present introduction rates, the probability of invasion through stream connections among lakes and watersheds, and survival based on physical and chemical factors of lakes within a northern Wisconsin watershed. One fourth of the habitable lakes contained rainbow smelt after 1000 years if dispersal was restricted to stream corridors. In contrast, with present rates of human transport, half contained rainbow smelt after 200 years, three quarters after 300 years, and all after 1000 years. Simulated human introductions increased the number of epicenters for spread and were the most influential parameter in the model. Stream connections between lakes increased the number of lakes colonized; decreases in migration ability led to fewer invaded lakes. Although extinction was operating, human introductions outweighed extinction and led to a saturation of rainbow smelt across all habitable lakes within the watershed within 1000 years. Our results highlight the importance of human vectors in driving exotic fish dispersal, suggest that isolated lakes are important refuges for species negatively affected by rainbow smelt, and show that agencies interested in controlling the spread of exotic fishes need to strongly consider the human vector of transport.

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21

Axon, James R., and David K. Whitehurst. "Striped Bass Management in Lakes with Emphasis on Management Problems." Transactions of the American Fisheries Society 114, no. 1 (January 1985): 8–11. http://dx.doi.org/10.1577/1548-8659(1985)114<8:sbmilw>2.0.co;2.

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22

Wang, Teng, Jingjing Yan, Jinlong Ma, Fei Li, Chaoyang Liu, Ying Cai, Si Chen, Jingjing Zeng, and Yu Qi. "A Fuzzy Comprehensive Assessment and Hierarchical Management System for Urban Lake Health: A Case Study on the Lakes in Wuhan City, Hubei Province, China." International Journal of Environmental Research and Public Health 15, no. 12 (November 22, 2018): 2617. http://dx.doi.org/10.3390/ijerph15122617.

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Environmental assessment of eutrophication or heavy metals in urban lakes is an important reference for identifying the pollution degree and formulating pollution prevention strategies. At present, the most research on lake health states is often evaluated from a single angle for toxic metals pollution or eutrophication using the standard comparison method for both, the comprehensive trophic level index (TLI), and the health risk assessment for toxic metals. Moreover, the above deterministic methods probably lead to biased or unreliable assessment due to the randomness and fuzziness in environment system caused by natural change and human activities. In this paper, a fuzzy comprehensive lake health assessment method (FCLHAM) was established to evaluate comprehensive lake health states more comprehensively and accurately, which integrates quantitative eutrophication and health risk considerations. To test and verify FCLHAM, 21 lakes, scientifically selected from the total 143 lakes in the Chinese Wuhan city as study case, were investigated and analyzed for their state of eutrophication and the health risk posed by heavy metals. According to the FCLHAM, the average comprehensive lake health state decreased in the sequence of L20 (considerate risk level) > L1–L17, L19, L21 (moderate risk level) > L18 (low risk level). Based on the result, lakes were classified into three categories: general management (L18), enhanced management (L1–L17, L19, L21), and priority management (L20). If the 143 lakes in Wuhan were classified by the “area-region-function” classification, they would be assigned to the same category as the representative lakes of the same type. At this point, we will attribute all of Wuhan’s lakes to the three types. Depending on the characteristics of each type, a targeted approach to different types of management for each type of lake is a more efficient way to manage many of Wuhan’s lakes. This management mode also serves as an effective reference for the environmental management of urban lakes both at home and abroad. In other words, according to the FCLHAM, a hierarchical management system based on lake characteristics classification was obtained.

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23

Lin, Wang, Liu Yanping, and Wang Baozhen. "Water basin management for Nansi Lakes, Shandong." Journal of Water Supply: Research and Technology-Aqua 53, no. 1 (February 2004): 17–28. http://dx.doi.org/10.2166/aqua.2004.0002.

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24

Kasten, Robert W. "The Need for Comprehensive Great Lakes Management." Journal of Great Lakes Research 11, no. 2 (January 1985): 190. http://dx.doi.org/10.1016/s0380-1330(85)71759-5.

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25

Wagner, Tyler, and Larry E. Erickson. "Sustainable Management of Eutrophic Lakes and Reservoirs." Journal of Environmental Protection 08, no. 04 (2017): 436–63. http://dx.doi.org/10.4236/jep.2017.84032.

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26

MacDonagh-Dumler, Jon. "Policy innovation for great lakes ecosystem management." Journal of Great Lakes Research 35, no. 4 (December 2009): 477–81. http://dx.doi.org/10.1016/j.jglr.2009.07.007.

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27

Lawrence, Patrick L. "Ontario‐great lakes shoreline management: An update." Coastal Management 26, no. 2 (January 1998): 93–104. http://dx.doi.org/10.1080/08920759809362346.

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28

Heidtke, Thomas M., and William C. Sonzogni. "Water Quality Management for the Great Lakes." Journal of Water Resources Planning and Management 112, no. 1 (January 1986): 48–63. http://dx.doi.org/10.1061/(asce)0733-9496(1986)112:1(48).

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29

Stefanović, Dušan, Ivana Radojević, Ljiljana Čomić, Aleksandar Ostojić, Marina Topuzoviić, and Ana Kaplarević-Mališić. "Management information system of lakes and reservoirs." Water Resources 39, no. 4 (July 2012): 488–95. http://dx.doi.org/10.1134/s0097807812040124.

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30

Davenport, Thomas E. "The federal clean lakes program works." Water Science and Technology 39, no. 3 (February 1, 1999): 149–56. http://dx.doi.org/10.2166/wst.1999.0156.

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In the United States, the Clean Lakes Program was created to assist locals in managing and restoring their lakes. Utilizing a holistic framework for water quality management, this multiphase program has supported the successful restoration of lakes all over the country. Locals have found the Clean Lakes approach to be a cost effective way to restore their lakes. Two case studies are presented to demonstrate the value and effectiveness of the Clean Lakes approach.

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31

Nasution, Mimin Sundari, Zulkarkarnaini ., and Mayarni . "STRENGTHENING LOCAL INSTITUTIONS IN THE MANAGEMENT OF ADAT LAKES (BAKUOK LAKES) KAMPAR DISTRICT." Sosiohumaniora 23, no. 2 (July 4, 2021): 262. http://dx.doi.org/10.24198/sosiohumaniora.v23i2.30572.

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A conservation area that has cultural-based fisheries activities, traditional leaders play a role as activity controllers and have a vision to conserve and provide protection in the area around this customary lake. On the other hand, ecologically, Bakuok Lake is very worrying. Based on the rules regarding the prohibition on Lake Bakuok, not all of these rules were carried out and implemented properly, even though there were already monitoring, there were still violations that occurred. The number of institutions involved in the development of Lake Bakuok have so far been temporary or temporary in nature, and have run separately and have not yet formed a systematic collaboration. This study aims to see how to strengthen local institutions in the sustainable management of Lake Bakuok. This research uses qualitative research methods that aim to obtain a holistic (holistic) picture of a phenomenon in Lake Bakuok. The results showed several important items that the institutional strengthening of lolak in the management of Danau Bakuok was not optimal. As seen from the dimension of human resource development that has not been maximized where there is no training or technical provisioning in order to increase skills. The dimension of organizational strengthening is also not optimal even though there is support for several activities but it is only temporary and unsustainable. Meanwhile, in the institutional reform dimension, it was found that several rules and regulations that had been made by ninik mamak were still violated.

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32

Ryan, Amy, and John L. MacMillan. "Speckled trout population parameters, habitat conditions and management strategies in lakes in Nova Scotia, Canada." Proceedings of the Nova Scotian Institute of Science (NSIS) 48, no. 2 (May 7, 2016): 189. http://dx.doi.org/10.15273/pnsis.v48i2.6669.

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A principal components analysis was conducted on the results of published reports and data sets from technical papers that include speckled trout Salvelinus fontinalis population estimates from 14 Nova Scotia lakes. The purpose of this paper was to identify the factors that influenced trout density and biomass. Population parameters, including mean fork length (cm), population density (n/ha), and population biomass (kg/ha), relative to variation in lake size, acidity, and competitor species were assessed and compared among lakes. Populations with small mean length and slow growth displayed larger fish density and biomass suggesting density-dependence. Acidic conditions potentially impact spawning potential and reduced recruitment that resulted in small population density and larger trout. The number of other fish species present in the lakes was used as an index of competition and had the greatest impact on trout density and biomass in Nova Scotia lakes. Yellow perch seemed to have the most impact of all the competitor species. In five lakes that contained yellow perch the mean trout population biomass was 0.19 kg-ha-1 (0.2,SD) compared to 4.5 kg-ha-1 (0.26, SD) in eight lakes that did not contain perch species. Lentic habitat conditions can greatly influence the potential success of different fisheries management strategies.

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33

Christie, W. J., John J. Collins, Gary W. Eck, Chris I. Goddard, John M. Hoenig, Mark Holey, Lawrence D. Jacobson, et al. "Meeting Future Information Needs for Great Lakes Fisheries Management." Canadian Journal of Fisheries and Aquatic Sciences 44, S2 (December 19, 1987): s439—s447. http://dx.doi.org/10.1139/f87-346.

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Description of information needs for management of Great Lakes fisheries is complicated by recent changes in biology and management of the Great Lakes, development of new analytical methodologies, and a transition in management from a traditional unispecies approach to a multispecies/community approach. A number of general problems with the collection and management of data and information for fisheries management need to be addressed (i.e. spatial resolution, reliability, computerization and accessibility of data, design of sampling programs, standardization and coordination among agencies, and the need for periodic review of procedures). Problems with existing data collection programs include size selectivity and temporal trends in the efficiency of fishing gear, inadequate creel survey programs, bias in age estimation, lack of detailed sea lamprey (Petromyzon marinus) wounding data, and data requirements for analytical techniques that are underutilized by managers of Great Lakes fisheries. The transition to multispecies and community approaches to fisheries management will require policy decisions by the management agencies, adequate funding, and a commitment to develop programs for collection of appropriate data on a long-term basis.

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34

Vander Zanden, M. Jake, and Julian D. Olden. "A management framework for preventing the secondary spread of aquatic invasive species." Canadian Journal of Fisheries and Aquatic Sciences 65, no. 7 (July 2008): 1512–22. http://dx.doi.org/10.1139/f08-099.

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Biological invasions continue to accelerate, and there is a need for closer integration between invasive species research and on-the-ground management. In many regions, aquatic invasive species have established isolated populations, but have not yet spread to many sites that provide suitable habitat. In the Laurentian Great Lakes region, several Great Lakes invaders such as zebra mussel ( Dreissena polymorpha ), rainbow smelt ( Osmerus mordax ), and spiny water flea ( Bythotrephes longimanus ) are currently undergoing secondary spread to the smaller inland lakes and streams. This paper describes recent advances in forecasting the secondary spread of aquatic invasive species and presents a framework for assessing vulnerability of inland waters based on explicit assessment of three distinct aspects of biological invasions: colonization, site suitability, and adverse impact. In many cases, only a fraction of lakes on the landscape are vulnerable to specific invasive species, highlighting the potential application of this type of research for improving invasive species management. Effective application to on-the-ground resource management will require that research aimed at assessing site vulnerability be translated into management tools.

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35

Sender, Joanna, and Magda Grabowski. "The relationship between land management and the nature of helophytes in small lakes (Eastern Poland)." Limnological Review 16, no. 1 (December 1, 2016): 51–62. http://dx.doi.org/10.2478/limre-2016-0006.

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AbstractThe aim of this study was to determine the relationship between the development of rush zones in small lakes and the utilization and condition of surrounding lands. Generally, the width of the helophyte zone increased along shores with gentle slopes (>5˚) that were covered with vegetation. The most favourable conditions for rush development and spread were along sloped areas bordered by farmlands and rural developments. In addition, pasturelands that developed on top of peat accumulation adjacent to lakes were found to facilitate the development of rushes. We observed a positive effect of anthropogenic development, especially agriculture and infrastructure, on stem density and total biomass of Phragmites austalis populations in the lakes studied. However, individual stem biomass of plants was lower. In different parts of the studied lakes, macrophyte distribution patterns were influenced by environmental conditions including nutrient availability, wind exposure, and bottom slope. The poorest macrophyte communities were found in areas within the lakes that were shaded by trees growing on neighboring banks and where slopes were forested rush zones were absent altogether.

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Krueger, Damon M., and Thomas R. Hrabik. "Food web alterations that promote native species: the recovery of cisco (Coregonus artedi) populations through management of native piscivores." Canadian Journal of Fisheries and Aquatic Sciences 62, no. 10 (October 1, 2005): 2177–88. http://dx.doi.org/10.1139/f05-132.

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We evaluated the effects of fisheries management on food webs in three northern Wisconsin lakes with exotic rainbow smelt (Osmerus mordax). In two of the lakes, restrictions on fishing reduced mortality rates on adult walleye (Sander vitreus) during the study period. In these lakes, walleye populations increased concurrently with a decline in rainbow smelt populations. As rainbow smelt populations declined in both lakes, native cisco (Coregonus artedi) populations increased. Our analysis of walleye diets illustrated that walleye fed selectively on rainbow smelt but did not feed on cisco during the summer months. When entered into bioenergetics simulations, this information demonstrates that walleye predation alone was enough to cause the observed rainbow smelt declines in our study lakes. Our results indicate that increased walleye density allows for a parallel increase in cisco density. Based on our results, fishery regulations to restore walleye to high densities in lakes invaded by rainbow smelt may restore native planktivores that have co-evolved traits.

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Sharip, Zati, and Juhaimi Jusoh. "Integrated lake basin management and its importance for Lake Chini and other lakes in Malaysia." Lakes & Reservoirs: Research & Management 15, no. 1 (March 2010): 41–51. http://dx.doi.org/10.1111/j.1440-1770.2010.00421.x.

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38

Abd-Elhamid, Hany F., Ashraf Ahmed, Martina Zeleňáková, Zuzana Vranayová, and Ismail Fathy. "Reservoir Management by Reducing Evaporation Using Floating Photovoltaic System: A Case Study of Lake Nasser, Egypt." Water 13, no. 6 (March 11, 2021): 769. http://dx.doi.org/10.3390/w13060769.

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The shortage of water is a major obstruction to the social and economic development of many countries, including Egypt. Therefore, there is an urgent need to properly manage water resources to achieve optimum water use. One way of saving available water resources is to reduce evaporation that leads to the loss of a large amount of water from reservoirs and open lakes. This paper aims to use a floating photovoltaic system (FPVS) to cover a lake’s water surface to reduce evaporation and also for energy production. This methodology was applied to Lake Nasser as one of the largest lakes in the world where much evaporation happens due to its large area, arid environments, and the shallow depths of some parts of the lake. The estimated evaporation from the lake was 12.0 × 109 m3/year. The results show that covering 25%, 50%, 75%, and 100% of the lake can save about 2.1, 4.2, 6.3, 7.0, and 8.4 × 109 m3/year and produce energy of 2.85 × 109, 5.67 × 109, 8.54 × 109, and 11.38 × 109 MWh/year, respectively. Covering areas of shallow water depth was more efficient and economical. The results show that covering 15% of the lake’s area (depths from 0.0 to 3.0 m) can save 2.66 × 109 m3/year and produce 1.7 MWh/year. Covering 25% of the lake’s area (depths from 0.0 to 7.0) can save 3.5 × 109 m3/year and produce 2.854 MWh/year. Using an FPVS to cover parts of Lake Nasser could help manage water resources and energy production for Egypt to overcome the likely shortage of water resources due to population growth. This system could be applied in different locations of the world which could help in increasing water resources and energy production, especially in arid and semi-arid regions.

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Leduc, Roland, and M. Robin Anderson. "Management Strategies for Eutrophication and Macrophyte Growth in Two Urban Lakes in Saint-Bruno, Quebec." Water Quality Research Journal 27, no. 2 (May 1, 1992): 383–402. http://dx.doi.org/10.2166/wqrj.1992.026.

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Abstract Two small, shallow lakes (Ruisseau and Village lakes), located in Saint-Bruno near Montreal (Québec), were studied in 1987 to determine the extent of, and to propose alleviation solutions to eutrophication and to macrophyte growth. Flows and various water quality parameters were monitored in the influents and in the lakes, and macrophytes were harvested at four different locations in Village Lake. Both lakes were found to be highly eutrophic. The dominant plant specie was found to be Myriophyllum spicatum. Biomass densities were high with values of 206, 212 and 395 g/m2 at three of these sampling locations. A number of alternatives which could mitigate eutrophication and the presence of macrophytes are discussed in terms of technical feasibility and cost. Source control of nutrients, along with citizens involvement, and partial control of macrophytes were recommended management strategies.

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Papaioannou, George, Athanasios Loukas, and Lampros Vasiliades. "Flood Risk Management Methodology for Lakes and Adjacent Areas: The Lake Pamvotida Paradigm." Proceedings 7, no. 1 (November 15, 2018): 21. http://dx.doi.org/10.3390/ecws-3-05825.

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In recent decades, natural hazards have caused major disasters in natural and man-made environments. Floods are one of the most devasting natural hazards, with high levels of mortality, destruction of infrastructure, and large financial losses. This study presents a methodological approach for flood risk management at lakes and adjacent areas that is based on the implementation of the EU Floods Directive (2007/60/EC) in Greece. Contemporary engineering approaches have been used for the estimation of the inflow hydrographs. The hydraulic–hydrodynamic simulations were implemented in the following order: (a) hydrologic modeling of lake tributaries and estimation flood flow inflow to the lake, (b) flood inundation modeling of lake tributaries, (c) simulation of the lake as a closed system, (d) simulation of the lake outflows to the adjacent areas, and (e) simulation of flood inundation of rural and urban areas adjacent to the lake. The hydrologic modeling was performed using the HEC-HMS model, and the hydraulic-hydrodynamic simulations were implemented with the use of the two-dimensional HEC-RAS model. The simulations were applied to three soil moisture conditions (dry, medium and wet) and three return periods (T = 50, T = 100 and T = 1000 years) and a methodology was followed for the flood inundation modeling in urban areas. Upper and lower estimates on water depths, flow velocities and inundation areas are estimated for all inflow hydrographs and for varying roughness coefficient values. The proposed methodology presents the necessary steps and the results for the assessment of flood risk management and mapping for lake and adjacent urban and rural areas. The methodology was applied to Lake Pamvotida in Epirus, Greece, Ioannina.

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Wilson, P. I. "Tribes, States, and the Management of Lake Resources: Lakes Coeur d'Alene and Flathead." Publius: The Journal of Federalism 32, no. 3 (January 1, 2002): 115–32. http://dx.doi.org/10.1093/oxfordjournals.pubjof.a004951.

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42

Ostendorp, Wolfgang, Christoph Iseli, Manfred Krauss, Priska Krumscheid-Plankert, Jean-Louis Moret, Maurice Rollier, and Ferdinand Schanz. "Lake shore deterioration, reed management and bank restoration in some Central European lakes." Ecological Engineering 5, no. 1 (October 1995): 51–75. http://dx.doi.org/10.1016/0925-8574(95)00014-a.

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43

Räsänen, Johanna, Tommi Kauppila, and Veli-Pekka Salonen. "Sediment-based investigation of naturally or historically eutrophic lakes—implications for lake management." Journal of Environmental Management 79, no. 3 (May 2006): 253–65. http://dx.doi.org/10.1016/j.jenvman.2005.08.001.

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44

Debastiani-Júnior, José Roberto, and Marcos Gomes Nogueira. "How water level management affects cladoceran assemblages in lakes lateral to a reservoir." Marine and Freshwater Research 67, no. 12 (2016): 1853. http://dx.doi.org/10.1071/mf14281.

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This study analysed the effects of induced water level depletion for macrophyte control in a tropical reservoir on the cladoceran fauna of two differentially connected lateral lakes. One lake, Pedra Branca, is located in the right margin and has a narrow connection to the main river–reservoir channel as well as a higher proportion of submerged macrophytes. On the opposite margin is Lake Guaritá, which is shallower and has a wider connection. Samples were collected over 16 consecutive months, including periods before, during and after depletion. Both lakes showed closely related trends in depth, pH, DO, conductivity, chlorophyll, temperature, suspended matter, phosphorus, nitrogen, silicate and ammonium variation, although a wider amplitude in variation was observed in Pedra Branca. This lake also had higher cladoceran diversity and a predominance of Chydoridae, whereas Bosminidae prevailed in Guaritá. Depletion caused a reduction in richness and an increase of Bosminidae in both lakes, although this was more pronounced in Pedra Branca. The management moderately affected both lakes but continuous application of this procedure may lead to a shift in the system steady-state and a loss of diversity that could be difficult to reverse.

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Vallentyne, John R., and Alfred M. Beeton. "The ‘Ecosystem’ Approach to Managing Human Uses and Abuses of Natural Resources in the Great Lakes Basin." Environmental Conservation 15, no. 1 (1988): 58–62. http://dx.doi.org/10.1017/s0376892900028460.

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An approach to planning, research, and management, that relates people to ecosystems of which they are part, is described and related to the Canada-United States Great Lakes Water Quality Agreements of 1972, 1978, and 1987. Factors favouring the development of an ‘ecosystem approach’ in the Great Lakes Basin include: a shared, highly valued resource; the long residence-times of ‘conservative’ pollutants in the Lakes; use of the Lakes for drinking-water supplies by c. 23 million people; threats to the integrity of the Lakes (pollution, water diversion); advances in ecosystem theory; the rise of voluntary membership associations with interests in the resource; institutional arrangements for managing nationally shared resources; and common economic ties and cultural heritages.The principal obstacle to implementation of an ‘ecosystem’ approach in the Great Lakes Basin is the lack of policies for comparable approaches in the political jurisdictions surrounding the Great Lakes. The principal obstacle to global implementation of an ‘ecosystem’ approach is the lack of international institutional arrangements for joint advice and operational capabilities in respect of the management of nationally shared resources. Another impediment is the widespread egocentricity of governments, corporations, individuals, and the general public.

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Grima, A. P. Lino. "Enhancing resilience in great lakes water levels management." International Journal of Environmental Studies 44, no. 2-3 (November 1993): 97–111. http://dx.doi.org/10.1080/00207239308710853.

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47

Lawrence, Patrick L. "Integrated coastal zone management and the Great Lakes." Land Use Policy 14, no. 2 (April 1997): 119–36. http://dx.doi.org/10.1016/s0264-8377(96)00039-7.

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Sharip, Zati, Ahmad T. A. Zaki, Mohd A. H. M. Shapai, Saim Suratman, and Ahmad J. Shaaban. "Lakes of Malaysia: Water quality, eutrophication and management." Lakes & Reservoirs: Research & Management 19, no. 2 (June 2014): 130–41. http://dx.doi.org/10.1111/lre.12059.

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49

Minns, Charles K. "Management of Great Lakes fisheries: Progressions and lessons." Aquatic Ecosystem Health & Management 17, no. 4 (September 25, 2014): 382–93. http://dx.doi.org/10.1080/14634988.2014.967163.

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50

Hoppe, Kirk Arden, and Ruud C. M. Crul. "Management and Conservation of the African Great Lakes." International Journal of African Historical Studies 34, no. 1 (2001): 190. http://dx.doi.org/10.2307/3097317.

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