To Tree or Not to Tree : Cultural Views from Ancient Romans to Modern Ecologists
Few things are more defining in a landscape compared to the absence or presence of trees, both in aesthetic and in functional terms. At the same time, tree cover has been profoundly affected by humans since ancient times. It is therefore not surprising that opinions about deforestation and colonization of landscapes by trees have always been strong. Although loss of forests is often lamented, there is also profound cultural affection for open landscapes including some that have been deforested in the past.
Getting a grip on hydrological and sediment connectivity
Land degradation is a large problem worldwide, especially in agricultural areas. Between 1-6 billion ha of land worldwide is affected by land degradation. With an increasing world population, more food production is needed and, therefore, more land is converted into agricultural areas. This conversion of land to agricultural areas, in turn, leads to more land degradation. Some common forms of land degradation are desertification, salinization and soil erosion by water. The negative effects of soil erosion have been recognized for a long time.
Expert judgement of mutual influence among land degradation determination criteria
Land is a non-renewable resource with limited availability and, therefore, a very important issue is the preservation of useful properties of land and comprehensive and sustainable land use. The process of land and soil degradation (decline of properties) leading to the formation of degraded land have been observed due to the influence of various economic activities and environmental conditions.
Analysis of effective legislative acts on land degradation
Land is a non-renewable resource with a limited access and therefore a wholesome and sustainable use of land and maintenance of beneficial land properties are very important. Economic activity always has been the main propulsion of use of land resource. With global economic growth, the intensity of use of land resource as a main resource has only increased. Soil is one of the most important components of land, because it provides biodiversity of the land and functioning of ecosystems.
Proposals for classification and determination of degraded land
Degraded territory is land which has been damaged by either industrial and other activities or no activities at all to the stage where any economic activity is impossible unless special renewable measures are implemented. One of the aims of sustainable environment resolutions adopted by the United Nations General Assembly on 25 September, 2015 was ‘to restore degraded land and to aim to achieve having a world neutral to land degradation’. This is the first worldwide document where universal and comprehensive actions regarding land degradation are provided.
Estimating landscape susceptibility to soil erosion using a GIS-based approach in northern Ethiopia
Soil erosion is a very critical form of land degradation resulting in the loss of soil nutrients and downstream sedimentation of water storages in the highlands of Ethiopia. As it is technically and financially impossible to conserve all landscapes affected by erosion, identification of priority areas of intervention is necessary. Spatially distributed erosion models can help map landscape susceptibility to erosion and identify high erosion risk areas.
Protection of land in the Republic of Serbia and ecological security with regard to strategic and legal frameworks
It is widely known that ecological and socioeconomic functions of the land are the basis for social and economic well-being. Despite this fact, land is still a relatively neglected natural resource, which can be concluded by analyzing the pressures on the land and the lack of systematic monitoring, which involves considering the situation and defining the program for its protection.
Detection and reduction of land degradation in Smarde Municipality rural territory [Latvia]
The aim of the paper is to explore the possibilities of detection and reduction of land degradation in Smarde municipality rural territory (56°57′18″ N; 23°20′17″ E). To carry out land degradation prevention measures, initially the territories of degraded land should be determined. This paper highlights the field inspection method. For territory inspection a model was used that gave the opportunity to identify degradation types with their characteristic features and possibilities to reduce the land degradation.
Analysis of damaged land changes in Klaipeda County of Lithuania
The article presents the analysis of the current situation of the damaged land in Klaipeda County. The study found that the number of affected areas in the county – 266. Because the damaged areas consist of mineral quarries and territories occupied by dumps, the article contains the description and condition of these areas. It was found that mostly sand deposits (60) predominate in Klaipeda County, of which only 8 are used. The smallest number of the deposits – the salt deposits (2). The mainly used deposits in the county are sand and gravel deposits – 29, unused – sand deposits (52).
[Application of data from state information systems to identify degraded areas]
One of the goals of a sustainable environment adopted in the United Nations General Assembly resolution (September 25, 2015) was «to restore degraded lands and strive to achieve a world neutral to land degradation». The problem was identified at the international and European level, but it is also a very pressing problem in Latvia. With regard to the risks of land degradation and their prevention in Latvia, the Law «On Land Management» came into force on January 1, 2015.
[The use of degraded lands for the development of sustainable land use in the transboundary regions of Latvia and Belarus]
The main idea of the project on the cross-border cooperation of Latvia, Lithuania and Belarus, as well as a unified methodology for its implementation, is based on cooperation between local and regional authorities and the use of innovative technologies: current remote sensing data (space images, aerial photographs and images from unmanned aerial vehicles), land information system, GIS and WEB-technologies.