A STUDY ON THE ROLE OF HABITATS OF A TIDAL LAND RECLAMATION AREA FOR WINTER MIGRANTS IN KOREA

2013 ◽  
Vol 62 ◽  
pp. 44-51
Author(s):  
Park Sang Hyun ◽  
Kim Jae Ok ◽  
Ji Kwang Jae ◽  
Lee Deog Bae
Keyword(s):  
Land Reclamation ◽  
Reclamation Area

Productivity and Environmental Role of Forest Shelterbelts of Robinia pseudoacacia L. of the Kuban Lowland

2020 ◽  
pp. 88-97
Author(s):  
V.V. Tanyukevich ◽  
◽  
S.V. Tyurin ◽  
D.V. Khmeleva ◽  
A.A. Kvasha ◽  
...  
Keyword(s):  
Agricultural Land ◽  
Land Reclamation ◽  
Poa Pratensis ◽  
Robinia Pseudoacacia ◽  
Average Height ◽  
Middle Aged ◽  
Aboveground Phytomass ◽  
Robinia Pseudoacacia L ◽  
Young Growth

Works on protective afforestation are carried out in order to protect agricultural land from degradation processes, as well as to improve the microclimate of land. The research purpose is to study the bioproductivity and environmental role of Robinia pseudoacacia L. forest shelterbelts in the conditions of the Kuban lowland. The approved and generally accepted methods of forest valuation, forest land reclamation, botany, and mathematical statistics were applied. Plantings were created according to the standard technology for the steppe zone of the Russian Federation. The area of forest shelterbelts is 62.4 ths ha, including 5 % of the young growth (I state class), 80 % of middle-aged forest plantings (II state class), 10 % of maturing plantings (II state class), 5 % of mature and overmature plantings (III state class). Living ground cover is formed by the following species: Koeleria pyramidata L., Poa pratensis L., Festuca pratensis H., Elytrígia repens L., Dactylis glomerata L., and Phlum pratense L. Aboveground phytomass is 100–300 g/m2; height is 25–32 cm. Plantings are characterized by the quality classes: young growth – I and II; middle-aged and maturing – III; mature and overmature – IV. At the age of natural maturity (70 years), the Robinia trunk reaches the average height of 15.1 m with the average diameter of 22.1 cm. The total stock of wood reaches 18, (ths m3), including (ths m3): young growth – 68 (ths m3); middleaged plantings – 14,871 (ths m3); maturing plantings – 2,187 (ths m3); mature and overmature plantings – 1,314 (ths m3). Aboveground phytomass in young growth is 20.2 t/ha; in mature and overmature plantings it is 391.2 t/ha. In the region it is estimated at 17,070 ths t, including (ths t): young growth – 64; middle-aged plantings – 13,753; maturing plantings – 2,032; mature and overmature plantings – 1,221. The share of stem mass reaches 84.5–80.8 %; woody greenery – 4.2–1.5 %; branches – 11.3–17.7 %. Recalculation coefficients of the stock into aboveground phytomass are the following for: young growth – 0.936; mature and overmature forest shelterbelts – 0.929. Phytosaturation of forest shelterbelts varies within 0.314–2.474 kg/m3. Forest shelterbelts have accumulated 8,534 ths t of carbon, which is estimated at 145.1 mln dollars. The sphere of application of the research results is the Krasnodar Krai forestry, which is recommended to create an additional 60 ths ha of forest shelterbelts, which will provide a normative protective forest cover of arable land of 5 % and annual carbon sequestration up to 3.4 t/ha.

Target municipal program for providing the population with food of its own production

2021 ◽  
Vol 21 (1) ◽  
pp. 23-31
Author(s):  
А.С. Гордеев ◽  
◽  
О.О. Гетоков ◽  
Keyword(s):  
Comparative Analysis ◽  
Rural Areas ◽  
Land Reclamation ◽  
Raw Materials ◽  
Financial Resources ◽  
Corporate Management ◽  
Food Research ◽  
Target Program ◽  
Regional Programs

The role of agriculture as a source of food for the population and raw materials for industrial and processing enterprises can hardly be overestimated. Its efficiency determines the living conditions and livelihoods of the population of rural areas of the region. Currently, a large number of federal and regional programs are being implemented in the industry. Financial resources from various sources were involved. Problems and ways to solve them. However, all this is a dilapidated superstructure on the foundation, which in agriculture are: effective crop rotation, soil fertility, land reclamation and lease relations, the state of which today requires major (not patching) repairs. The purpose and objective of the study is to prepare a package of methodological materials to ensure the development and implementation of the "Target program for providing the population with food". Research methodology: monitoring and comparative analysis. Research results. The article presents the methods, methodological manuals and recommendations developed by the authors, the implementation of which will allow the heads of municipalities and economic entities of the region to develop and implement a "Target program for providing the population with food" for a municipal order, using more advanced lease relations, innovative forms of business and corporate management.

scholarly journals Trophic Features, Benthic Recovery, and Dominance of the Invasive Mytilopsis Sallei in the Yundang Lagoon (Xiamen, China) Following Long-Term Restoration

Water ◽  
2019 ◽  
Vol 11 (8) ◽  
pp. 1692 ◽  
Author(s):  
Paolo Magni ◽  
Serena Como ◽  
Maria Flavia Gravina ◽  
Donghui Guo ◽  
Chao Li ◽  
...  
Keyword(s):  
Land Reclamation ◽  
Environmental Gradients ◽  
Oxygen Demand ◽  
Current Status ◽  
Pest Species ◽  
Future Evolution ◽  
Mytilopsis Sallei ◽  
Biological Tool

A comprehensive set of physicochemical variables in near-bottom water and surface sediments, as well as the soft-bottom macrozoobenthic assemblages were investigated at six sites across the Yundang Lagoon (Southeast China) in November 2012. This lagoon was severely damaged in the 1970s due to domestic and industrial pollution and land reclamation and underwent a massive restoration effort over the past 30 years. Our objectives were to: (1) assess the current trophic and environmental condition of the lagoon; (2) investigate the pattern of spatial variation in the macrozoobenthic assemblages; and (3) assess the benthic recovery in relation to the main environmental gradients and the presence of invasive alien species. Nutrient, chlorophyll-a, biological oxygen demand (BOD5), chemical oxygen demand (CODMn), and total organic carbon (TOC) concentrations were lower than those reported in previous decades, yet organically-enriched conditions occurred at an inner site. From azoic conditions in the 1980s and a few benthic species reported prior to this study, we found a significant increase in benthic diversity with 43 species heterogeneously distributed across the lagoon. The invasive bivalve Mytilopsis sallei was the dominant species, which was associated with the richest benthic assemblage. However, M. sallei is a pest species, and its spatiotemporal distribution should be carefully monitored. These results highlight the central role of the macrozoobenthos in providing important ecological information on the current status of the Yundang Lagoon and as an effective biological tool to follow the recovery’s progress and the future evolution of this highly valued ecosystem.

Exploring Ecological Land Reclamation to Promote the Ecological Civilization Construction in China

2014 ◽  
Vol 1073-1076 ◽  
pp. 2648-2652
Author(s):  
Guo Zhu Huang ◽  
Tan Zhu ◽  
Jun Hu ◽  
Tie Wen ◽  
Yi Jun Ji
Keyword(s):  
Land Reclamation ◽  
Land Resources ◽  
Ecological Civilization ◽  
Basic Direction ◽  
Construction Land ◽  
Development And Utilization ◽  
Land Space ◽  
Resources Development

Homeland is the spatial carrier of ecological civilization construction, to optimize the land space patterns is one of the main tasks of the ecological civilization construction. Land reclamation is one of the main ways of our land resources development and utilization. This paper discusses the main problems about land reclamation, analyzes the important role of ecological reclamation in promoting the ecological civilization construction. Basic direction and suggestions of ecological reclamation are proposed in order to promote the ecological civilization construction in China.

scholarly journals Land Subsidence Analysis of Reclaimed Land using Time-Lapse Microgravity Anomaly in Manado, Indonesia

2018 ◽  
Vol 32 (1) ◽  
pp. 53-63 ◽  
Author(s):  
Sandy Nur Eko Wibowo ◽  
Gybert E. Mamuaya ◽  
Rignolda Djamaluddin
Keyword(s):  
Land Subsidence ◽  
Land Reclamation ◽  
Vertical Gradient ◽  
Time Lapse ◽  
Positive Anomaly ◽  
Natural Ecosystems ◽  
Reclaimed Land ◽  
The North ◽  
Gps Survey ◽  
Reclamation Area

Coastal area land reclamation is a policy with various benefits, including its potential to increase economic growth. However, reclamation also potentially has adverse impacts on the environment, including increasing pressure on biodiversity, natural resources and natural ecosystems, and the most common problem is land subsidence. This study uses time-lapse microgravity anomaly to ascertain the distribution of gravity and vertical gradient anomaly in order to map the subsidence characteristics occurring in the Manado reclamation area. From the research that has been previously conducted, the positive gravity anomaly is spread around Megamall-Multimart to the north of Monaco Bay and on the southern side of Manado Town Square (Mantos). Positive anomaly values range from 3 to 29.7 μGal. The negative anomaly values are scattered around the Mantos and Megamas separating bridge and at some points around the Whiz Prime Hotel, Menora Church and towards the Pohon Kasih Megamas area. The reclaimed areas generally experience subsidence accompanied by a reduction in groundwater mass (Megamall and Mantos) due to the use of the groundwater by the community in these areas. Uplifts also occur at some points in the reclamation area of Megamas as a result of the occurrence of land subsidence. Longer-term research is needed to determine whether there is an increase in the rate of land subsidence in the Manado reclamation area. Over a longer period of time it can also be established whether there are other factors which affect land subsidence. Other geodetic methods to monitor subsidence, such as levelling, InSAR and GPS survey, which have been conducted in other locations, are also needed to obtain more detailed information about the land subsidence in this area.

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