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   » » Wiki: Land Management
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Land management is the process of managing the and development of land resources. Those resources are used for a variety of purposes for example , , water resource management, and . One aim of land management is to prevent or reverse . Another aim is to ensure by increasing availability, decreasing , and decreasing . Text was copied from this source, which is available under a Unsustainable land managements leads to land being or misused which in turn degrades the land, reduces productivity and disrupts natural equilibriums.

Sustainable land management ( SLM) is the set of practices and technologies that aim to integrate the management of land, , and other environmental resources to meet while ensuring long-term , ecosystem services, , and livelihoods. Sustainable forest management is a sub-category of sustainable land management.


Definition
The IPCC Sixth Assessment Report describes land management as "The sum of land-use practices (e.g., , , , , thinning and ) that take place within broader land-use categories."IPCC, 2022: Annex II: Glossary Möller,. In: Climate Change 2022: Impacts, Adaptation and Vulnerability. Contribution of Working Group II to the Sixth Assessment Report of the Intergovernmental Panel on Climate Change H.-O.. Cambridge University Press, Cambridge, UK and New York, NY, US, pp. 2897–2930, doi:10.1017/9781009325844.029. itself is "The total of arrangements, activities and inputs applied to a parcel of land." Land use categories include: , cropland (agricultural land), , , and other lands.

The United Nations Economic Commission for Europe (UNECE) applies the term land management in a wide context. Besides agriculture and forestry, they include the mineral extraction sector, property and estate management: "Land management is the process by which the resources of land are put to good effect. It covers all activities concerned with the management of land as a resource both from an environmental and from an economic perspective. It can include farming, mineral extraction, property and estate management, and the physical planning of towns and the countryside.


Sustainable land management
Sustainable land management (SLM) is a process in a charged environment between environmental protection and the guarantee claim of ecosystem services on the one hand. On the other hand, it is about productivity of and with respect to demographic growth and increasing pressure in .

SLM has been defined in various reports as follows:

  • By IPCC in 2022: "The stewardship and use of land resources, including soils, water, animals and plants, to meet changing human needs, while simultaneously ensuring the long-term productive potential of these resources and the maintenance of their environmental functions". This wording is very similar to the longer wording used by the in 1992: "The use of land resources, including soils, water, animals and plants, for the production of goods to meet changing human needs, while simultaneously ensuring the long-term productive potential of these resources and the maintenance of their environmental functions."
  • By in 2006: "SLM is defined as a knowledge-based procedure that helps integrate land, water, biodiversity, and environmental management (including input and output externalities) to meet rising food and fiber demands while sustaining ecosystem services and livelihoods.Anderson, Jonathan; Blackie, Malcolm J.; Burcroff, Richard; Ceesay, Mustapha M.; Esikuri, Enos E.; Fernandes, Erick C.M.; Gillison, Andrew Napier; Sanginga, Emmanuel Nteranya; Smaling, Eric; Styger, Erika Dorothea (2006) Sustainable land management : challenges, opportunities, and trade-offs. Agriculture and rural development Washington, D.C. : World Bank Group.


Purposes
One aim of sustainable land management is to prevent or reverse . Another aim is to ensure by increasing availability, decreasing , and decreasing .

The IPCC stated that sustainable land management can play a role in climate change mitigation and adaptation. This takes place at various scales, at scales, namely "from individual farms to entire ".

A report in 2006 explained: "SLM is necessary to meet the requirements of a growing population. Improper land management can lead to and a significant reduction in the productive and service (biodiversity niches, , carbon sequestration) functions of watersheds and landscapes."


In climate change context
The IPCC's Special Report on Climate Change and Land (SRCCL) explains the linkages between sustainable land management and climate change mitigation. The full title of the report is the "Special Report on , , , sustainable land management, , and fluxes in terrestrial ecosystems".IPCC, 2019: Summary for Policymakers. In: Climate Change and Land: an IPCC special report on climate change, desertification, land degradation, sustainable land management, food security, and greenhouse gas fluxes in terrestrial ecosystems P.R.. https://doi.org/10.1017/9781009157988.001

The report's summary for policy makers explains that, "Many sustainable land management technologies and practices are profitable within three to 10 years (medium confidence). While they can require upfront investment, actions to ensure sustainable land management can improve crop yields and the economic value of pasture. and rehabilitation measures improve livelihood systems and provide both short-term positive economic returns and longer-term benefits in terms of climate change adaptation and mitigation, and enhanced ecosystem functions and services."


Methods
Land management options exist to focus on healthy soils and to "reduce vulnerability to soil erosion and nutrient loss". Examples include "growing green manure crops and cover crops, crop residue retention, reduced/zero tillage, and maintenance of ground cover through improved grazing management". There are also land management options for farmers that build and therefore provide important climate change mitigation benefits through carbon sequestration: ", perennial pasture phases and use of ". All these methods reduce soil erosion and nutrient leaching.

Land management options that "do not require land use change and do not create demand for more land conversion" include:

  • improved management of cropland and grazing lands,
  • sustainable forest management, and
  • increased soil organic carbon content.

For example in , "over 85% of the land is estimated to be moderately to severely degraded".REACH (2023) Improving water security through Sustainable Land Management Story of change: Key findings & emerging impacts The current practices of sustainable land management (SLM) involve a variety of structural and nonstructural elements integrated at the catchment scale, providing different roles in managing . The structural measures (soil bunds, contour trenches, etc.) significantly improve infiltration and water storage potential of the agricultural landscapes. On the other hand, the nonstructural measures, such as the elimination of open grazing on communal grazing land and the abandonment of postharvest grazing on cultivated land, help improve the water retention capacity of the soils and reduce nonproductive evaporative water losses. In addition, the current practices of SLM attempts to sustain diverse land use mosaics at the catchment scale, including protected areas (gullied lands and communal grazing lands), cultivated land and home gardens, with the aim of harnessing potential uses, services, and values from a catchment.


See also

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