Innovative approaches to risk management in nature and land use and their optimization

2019 ◽  
pp. 119-130
Author(s):  
Eduard Dehodyuk ◽  
Stanislav Dehodyuk ◽  
Natalya Buslaeva
Keyword(s):  
Climate Change ◽  
Land Use ◽  
Terrestrial Ecosystems ◽  
River Basins ◽  
Small River ◽  
Small Rivers ◽  
Land Relations ◽  
Definition Of ◽  
Water Ecosystems ◽  
Innovative Approaches

Subject of research-theoretical and practical justification of risk managementfor climate change based on basin approach. The purpose of the article is to establish ecological equilibrium in the basins of small rivers of Ukraine through asystematic approach to the complex carrying out of nature-related works, agro-,chemo-, bio- and phyto-melioration in the small rivers basins. Methodology of work- system-structural and comparative analysis (for the definition of innovative approaches in environmental protection) as a landfill (in the determined cost of landfor optimizing land relations). Modeling and forecasting for risks reduction innature land use. The results of the work - degradation processes in the groundand water ecosystems of the basins of small rivers are considered. It is proposedto change the priorities in landscape studies by adopting the main taxonomic unitof any landscape of the small river basin instead of the abstract general principle“nature-territorial complex (PTC)”. A space-regulatory mechanism for the implementation of V.I. Vernadsky’s idea of Noosphere in the terrestrial ecosystems wasdeveloped. The sequence of ecologically-technogenic transformations of degradedsmall river basins in ecologically balanced ecosystems by means of restoration workswithout violating the basis of erosion and providing biocenosis of the self-healingmomentum has been determined. The system approach to the problem is to develop and adopt the laws of Ukraine on the restoration of small river basins, theircertification, land relations in the process of restorative works, and the increaseof natural biodiversity. Ways to overcome the risks of climate change are consistent implementation of the proposed programs. Conclusions-based on the resultsof the study, the lack of a scientifically grounded mechanism for overcomingdegradation processes in the basins of small rivers both in Ukraine and the international community and overcoming the risks to society for climate change in thepost-Holocene period was established. Proposed laws of Ukraine are proposed thatwill ensure the establishment of ecological balance in agro-and biogeocenosis forconducting relevant works in the basins of small rivers.

scholarly journals Basin-centric approach to the sustainable development of agriculture in the context of climate change

2021 ◽  
pp. 5-13
Author(s):  
S.E. Dehodiuk ◽  
Е.G. Degodiyk ◽  
Yu.P. Borko
Keyword(s):  
Climate Change ◽  
Sustainable Development ◽  
Terrestrial Ecosystems ◽  
River Basins ◽  
Ecological Condition ◽  
Scientific Data ◽  
Small River ◽  
Nature Management ◽  
Small Rivers ◽  
Nature Restoration

The aim is to develop conceptual principles of sustainable development of the agrosphere and reproduction of degraded riverbeds of small rivers under climate change. Methods. Methodology and methods of system approach, monitoring, statistical analysis, and synthesis of scientific data. Results. It has been determined the ecological condition in Ukraine and the world has been by the manifestations of degradation processes in terrestrial ecosystems and small river basins on the principle of causation. It has been suggested the conceptual bases of restoration of channels of small rivers and their basins by carrying out engineering, culture-technical works in channels and floodplains of small rivers, the organization of adaptive landscaping of the territory, and also carrying out agro-, chemo-, bio- and phyto-meliorations in their basins without disturbance the basis of erosion and giving impetus to self-renewal of natural fauna and flora. In the processes of nature restoration, the leading role of domestic science in the methodological and methodological support of projects has been identified, and importance is attached to the restoration of natural biodiversity and biologization in agricultural systems. We proposed to create a state mortgage land bank with a concentration in it of land fees of ecological funds with the involvement of domestic and foreign investment. It is recommended to test the idea in several model pools of soil-climatic zones with further replication in Ukraine and the spread of technology beyond its borders. Conclusions. А systematic approach is needed to carry out reclamation works in the basins of small rivers is to implement the basin approach. To implement the program, the Verkhovna Rada of Ukraine must adopt the Law of Ukraine “On Agriculture, Sustainable Development of the Biosphere and Ecological Nature Management”, the project of which was developed at the NSC “Institute of Agriculture of NAAS”. The NSC “Institute of Agriculture of NAAS” with appropriate financial and personnel support on a multifunctional basis can perform the functions of a methodological center for the development of methodology and techniques of land management and reclamation in the process of restoring small river basins.

Threats to the running water ecosystems of the world

2002 ◽  
Vol 29 (2) ◽  
pp. 134-153 ◽  
Author(s):  
Björn Malmqvist ◽  
Simon Rundle
Keyword(s):  
Climate Change ◽  
Land Use ◽  
Developed Countries ◽  
Running Waters ◽  
Running Water ◽  
Lotic Systems ◽  
The World ◽  
Long Term Trends ◽  
Water Ecosystems

Running waters are perhaps the most impacted ecosystem on the planet as they have been the focus for human settlement and are heavily exploited for water supplies, irrigation, electricity generation, and waste disposal. Lotic systems also have an intimate contact with their catchments and so land-use alterations affect them directly. Here long-term trends in the factors that currently impact running waters are reviewed with the aim of predicting what the main threats to rivers will be in the year 2025. The main ultimate factors forcing change in running waters (ecosystem destruction, physical habitat and water chemistry alteration, and the direct addition or removal of species) stem from proximate influences from urbanization, industry, land-use change and water-course alterations. Any one river is likely to be subjected to several types of impact, and the management of impacts on lotic systems is complicated by numerous links between different forms of anthropogenic effect. Long-term trends for different impacts vary. Concentrations of chemical pollutants such as toxins and nutrients have increased in rivers in developed countries over the past century, with recent reductions for some pollutants (e.g. metals, organic toxicants, acidification), and continued increases in others (e.g. nutrients); there are no long-term chemical data for developing countries. Dam construction increased rapidly during the twentieth century, peaking in the 1970s, and the number of reservoirs has stabilized since this time, whereas the transfer of exotic species between lotic systems continues to increase. Hence, there have been some success stories in the attempts to reduce the impacts from anthropogenic impacts in developed nations. Improvements in the pH status of running waters should continue with lower sulphurous emissions, although emissions of nitrous oxides are set to continue under current legislation and will continue to contribute to acidification and nutrient loadings. Climate change also will impact running waters through alterations in hydrology and thermal regimes, although precise predictions are problematic; effects are likely to vary between regions and to operate alongside rather than override those from other impacts. Effects from climate change may be more extreme over longer time scales (>50 years). The overriding pressure on running water ecosystems up to 2025 will stem from the predicted increase in the human population, with concomitant increases in urban development, industry, agricultural activities and water abstraction, diversion and damming. Future degradation could be substantial and rapid (c. 10 years) and will be concentrated in those areas of the world where resources for conservation are most limited and knowledge of lotic ecosystems most incomplete; damage will centre on lowland rivers, which are also relatively poorly studied. Changes in management practices and public awareness do appear to be benefiting running water ecosystems in developed countries, and could underpin conservation strategies in developing countries if they were implemented in a relevant way.

scholarly journals Effective Monitoring of Small River Basins

2002 ◽  
Vol 2 ◽  
pp. 1017-1021
Author(s):  
W. Symader ◽  
R. Bierl ◽  
A. Krein
Keyword(s):  
Water Quality ◽  
Fine Particles ◽  
River Basins ◽  
Small River ◽  
Chemical Data ◽  
Quality Data ◽  
Monitoring Station ◽  
Small Rivers ◽  
Water Quality Data ◽  
Short Pulses

As the transport of many pollutants occurs during high floods monitoring programs must focus on these intermittent events. In small rivers the pollutants start their travel as short pulses often associated with fine particles, but disperse on their way downstreams. Therefore the chemical data of a flood event are only representative of a small part of the basin adjacent to the monitoring station. This is usually not taken into account by evaluating water quality data.

scholarly journals Participatory Evaluation of Water Management Options for Climate Change Adaptation in River Basins

Environments ◽  
2021 ◽  
Vol 8 (9) ◽  
pp. 93
Author(s):  
Anabel Sanchez-Plaza ◽  
Annelies Broekman ◽  
Javier Retana ◽  
Adriana Bruggeman ◽  
Elias Giannakis ◽  
...  
Keyword(s):  
Climate Change ◽  
Water Management ◽  
Impact Analysis ◽  
River Basins ◽  
Participatory Evaluation ◽  
Management Options ◽  
Wide Range ◽  
Definition Of ◽  
Induced Changes ◽  
The Impact

Climate and other human-induced changes will increase water scarcity in world areas such as in the Mediterranean. Adaptation principles need to be urgently incorporated into water management and stakeholder engagement needs to be strengthened at all steps of the management cycle. This study aimed to analyse and compare stakeholder-preferred water management options (WMOs) to face climate change related challenges and to foster adaptation in four Mediterranean river basins. The challenges and WMOs of the four river basins identified by stakeholders were analysed examining to what extent the WMOs tackled the identified challenges. The impact of the WMOs resulting from a participatory modelling method was included in a comparative analysis of the stakeholders’ WMOs preferences. The results indicate the participatory approach that was applied allowed local priorities and real-world challenges to be defined with adequate detail as well as the definition of tailored responses. The participatory impact analysis provided an integrated view of the river basin as an interrelated system. The participatory evaluation of the WMOs was able to consider a wide range of elements and was able reflect the combined preferences of the stakeholders. Moreover, it allowed groups of basin actors with highly diverse profiles and concerns to further promote sets of these WMOs as input into decision making processes.

scholarly journals Wild Populations Of Medicago Falcata L. In Small River Basins Of European Russia As A Source Material For Breeding

2021 ◽  
Vol 901 (1) ◽  
pp. 012005
Author(s):  
V M Kosolapov ◽  
V I Cherniavskih ◽  
E V Dumacheva ◽  
L M Tseiko ◽  
M N Kostomakhin ◽  
...  
Keyword(s):  
Plant Communities ◽  
Age Groups ◽  
Continuous Distribution ◽  
River Basins ◽  
Source Material ◽  
Small River ◽  
Small Rivers ◽  
Wild Populations ◽  
Adaptive Potential ◽  
Cultivation Conditions

Abstract The genetic resources of wild populations of Medicago falcate L. of the Cretaceous South of the Srednerussky Upland in ecotopic conditions of chalky slopes and floodplain meadows in the basins of small rivers Tikhaya Sosna and Manjokha were studied to find the source material for breeding work to create varieties for different cultivation conditions. Evaluation of phytocenotic features, density of cenopopulations, forage and seed species was carried out. The species M. falcata forms, both on meadows in floodplains and on chalk slopes, full-membered normal cenopopulations, which have a continual (continuous) distribution of individuals by age groups, stable in time and in space. The centralized ontogenetic spectrum indicates the stable status of M. falcata cenopopulations in plant communities in various ecotopes of small river basins. The density of individuals of M. falcata was on average 18.9 % higher in cenopopulations of floodplains than in chalk slopes. The density of generative individuals in all studied cenopopulations was on average close and varied within 81.2-83.7 %, which indicates their stability in time and high adaptive potential. The weight of one fruiting model plant of floodplain meadows was 2.28 times higher than on chalky slopes. Seed yield on floodplain meadows was 2.02 times higher than on chalky slopes. Valuable source material for breeding M. falcatum varieties adapted to different ecotopic conditions was obtained.

scholarly journals Basin systems of small rivers of Western Podillya: state, change tendencies, perspectives of nature management and nature protection optimization

2020 ◽  
Vol 29 (3) ◽  
pp. 606-620
Author(s):  
Ljubomyr P. Tsaryk ◽  
Ivan P. Kovalchuk ◽  
Petro L. Tsaryk ◽  
Bogdan S. Zhdaniuk ◽  
Ihor R. Kuzyk
Keyword(s):  
Land Use ◽  
Protected Areas ◽  
River Basin ◽  
Biological Diversity ◽  
River Basins ◽  
Nature Management ◽  
Small Rivers ◽  
Nature Protection ◽  
Groundwater Levels ◽  
Functional Features

The level of anthropogenization of the natural processes and the geocomponents of the basin geosystems of small rivers in Western Podillya has been estimated and rated as ecologically dangerous from the viewpoint of sustainable and conflict free functioning. The scales of the transformation of the components of natural environment by economic activities since 1774 were revealed using the method of comparative-geographic analysis of cartographic sources. The scales of deforestation were determined, as well as the scales of the influences of drainage meliorations on wetlands, river floodplains and riverbed complexes. It has been established that such transformations of the state of the components of landscape systems have caused the manifestation of a set of unfavorable processes and phenomena (lowering of ground water level, promoting desiccation, soil erosion and deflation, soil dehumification, decreasing landscape and biological diversity, etc.). Calculated indices of the anthropogenic modification of natural components testify that the strongest adversary impacts on river systems and basin landscapes are caused by agriculture, deforestation, and drainage meliorations. Our analysis of the current state of reclaimed lands in the basins of the rivers Dzhuryn and Nichlava confirmed the conclusions of B. I Kozlovsky on the effects of drainage reclamation on groundwater in drained lands and of the formation within them and around drainage systems of negative hydrogeological zones of different widths. In the absence of precipitation for 30-45 consecutive days in summer there is a sharp decrease in groundwater levels, and overdrying of soils, which causes the manifestation and intensification of deflation, shallowing and even drying of the upper reaches of rivers and streams. At the final stage of the study, a system of measures aimed at ensuring the sustainability of river basin geosystems was substantiated. The introduction of an optimization model of land use in the basin geosystem is one of the priority tasks in the context of negative changes in the water regime of watercourses and the water balance of river basin systems. Optimization measures provide for the transformation of the part of degraded and unproductive lands towards the grasslands and the planting of gardens (slopes up to 7°) and afforestation (surface steepness over 7°) to improve the quality of environment and to form the environmentally secure land use system. Regional indices of anthropogenic transformation for the existing and proposed land structure as a normative regional indices of nature utilization optimality are calculated. Substantiation of schemes of basin nature protection networks was based on taking into account the role of protected areas in maintaining certain functional features at the sources, in the middle and lower parts of river basins. Based on the results of field surveys, it is proposed to create nine protected areas within the Dzhuryn Basin and eight protected areas within the Nichlava river basin, which will increase the share of protected areas of the Dzhuryn basin to 8% (compared to present 4.8%) and Nichlava to 19%. At the same time, it is proposed to change the structure of the nature reserve fund of the Nichlava river basin, taking into account the existing high share (77%) of general zoological reserves, inefficient from the standpoint of conservation of natural complexes, instead creating six landscape reserves on an area of about 800 hectares. The paper considers the possibility of further development of the tourist and recreational sphere in the near-Dnister sections of the river basins of Dzhuryn and Nichlava, and proposes the creation of Borshchiv Regional landscape park in the picturesque valley of the Nichlava River.

scholarly journals Carbon capture in three land use systems in the Colombian Amazonia

2021 ◽  
Vol 38 (2) ◽  
pp. 111-123
Author(s):  
Yelly-Yamparli Pardo-Rozo ◽  
Hernán-Jair Andrade-Castañeda ◽  
Jader Muñoz-Ramos ◽  
Jaime-Enrique Velásquez-Restrepo
Keyword(s):  
Climate Change ◽  
Land Use ◽  
Land Use Changes ◽  
Ghg Emissions ◽  
Terrestrial Ecosystems ◽  
Agroforestry Systems ◽  
Above Ground Biomass ◽  
Rubber Plantations ◽  
Ground Biomass ◽  
Temporal Sampling

The main strategies to combat climate change are reducing greenhouse gas (GHG) emissions and increasing carbon sinks in terrestrial ecosystems such as forests, forest plantations, and agroforestry systems. Deforestation and land use changes in the Amazonia bear great responsibility both for the fixation and emission of GHG. The aim of this research was to estimate the carbon stored in above-ground biomass of forests, rubber plantations (Hevea brasiliensis Muell Arg.), and trees in pastures in the Colombian Amazonia piedmont. Data was collected in 40 farms located in the rural area of the municipality of Belén de Los Andaquíes (Colombia). A total of 174 temporal sampling plots of 250 m2 each were established (80 in forests, 40 in rubber plantations and 54 in pastures with trees). In these plots, the diameter at breast height (dbh) was measured in trees with dbh ≥ 10 cm, and the above-ground biomass was estimated with allometric models for the Colombian Amazon. The carbon stored was 154.1 Mg ha-1 in forests, 1.4 Mg ha-1 in pastures with trees and 138.9 Mg ha-1 in rubber plantations. Positive changes for mitigation of climate change could be achieved through the conversion of agricultural areas, mainly pastures, to forests (+560 Mg CO2 ha-1). Likewise, if deforestation stops in the area, the estimated emissions reduction would be 0.16 Tg CO2 year-1.

scholarly journals Impact of ponds and reservoirs construction on the environmental safety of small river basins of the steppe zone of Ukraine (the case of Dnipropetrovsk region)

2020 ◽  
pp. 158-166
Author(s):  
V. G. Andrieiev ◽  
H. V. Hapich
Keyword(s):  
Water Management ◽  
River Basin ◽  
Water Use ◽  
Steppe Zone ◽  
River Basins ◽  
Environmental Safety ◽  
Environmental Hazards ◽  
Small River ◽  
Small Rivers ◽  
Ecological State

Formulation of the problem. For the last 30 years, water management in the basins of small rivers in the steppe zone of Ukraine has led to a deterioration of the environmental safety in water use. The current ecological state of small rivers is close to critical, and for today some river basins are subject to catastrophic environmental changes. Almost all small rivers from 70 to 100% in the south and central water-short regions of Ukraine are under regulation due to the construction of a large number of ponds and reservoirs. In most cases, this causes a lack of transportation and low self-cleaning ability. Thus, the conservation, restoration and rational use of water, based on the principles of basin management, should get started along with the improvement of the ecosystems of small rivers.Research results. The paper describes the dynamics of changes in water management, which shows a rapid increase in the number of new ponds in the period of 1990 - 2018 almost threefold. At the same time, the overall dynamics of water consumption in the region in the same period decreased fourfold. Unjustified imbalance between the construction of new facilities and water demand was determined, as well as non-compliance with the current statutory provisions. Due to the transformation of natural watercourses into cascades of "evaporator ponds" an ecologically dangerous transformation of small river basins with the change of hydrological, hydrochemical, hydrobiological and sanitary regimes takes place. To evaluate the level of environmental hazards associated with water management, it is proposed to determine the river fragmentation coefficient, which is the ratio of the number of ponds and reservoirs to the length of the river. When evaluating the environmental hazard for rivers in a specific territory (administrative area, district or catchment area), the fragmentation coefficient is determined by the ratio of the number of ponds and reservoirs to the size of the territory. Comparative analysis indicates that Dnipropetrovsk region is one of the most environmentally dangerous in terms of the negative impact of river basins fragmentation by artificial reservoirs. The case of a small river basin (the Nyzhnia Tersa River) presents the application of the approach to evaluate the level of environmental safety associated with water management. It is proposed a mechanism for increasing the level of environmental safety in water use by observing and implementing heterogeneous groups of indicators that determine the overall efficiency of the river ecosystem functioning.Conclusions. In order to stabilize and restore the hydrological and ecological state of small rivers in the steppe zone of Ukraine, it is important to: 1) make a detailed evaluation of the compliance of the available number of ponds and small reservoirs in river basins with the requirements of the Water Code of Ukraine; 2) prove ecologically and economically the feasibility of further operation for each individual reservoir and structure; 3) develop regional programs for the elimination of ponds and reservoirs that do not fulfil their water management functions and cause environmental hazards to the functioning of the river basin ecosystem; 4) improve methodological approaches to evaluation of the environmental safety of water facilities in small river basins.

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