A meta-analysis of urban and peri-urban agriculture and forestry in mediating climate change
This paper systematically reviews literature on urban and peri-urban agriculture and forestry (UPAF) in mediating climate change. The study includes both peer-reviewed and grey literature (274 literature sources), and synthesizes evidence and agreement on both UPAF's potential and limitations for mitigating and adapting to climate change. Eight East and West African cities were included in the ...
Urban vegetable for food security in cities. A review
Global food production faces great challenges in the
future. With a future world population of 9.6 billion by 2050,
rising urbanization, decreasing arable land, and weather extremes
due to climate change, global agriculture is under pressure. While
today over 50 % of the world population live in cities, by 2030,
the number will rise to 70 %. In addition, global emissions have
to be kept in mind. ...
Long-term changes in soil-based ecological services at three sites in Ethiopia
Ethiopia faces land degradation as one of its major environmental problems. In response to the degradation, massive land rehabilitation and conservation activities have been undertaken since the mid-1970s. In spite of these efforts, the impacts of long-term land management have not been examined from soil-based ecological services perspective. This study assesses soil-based ecological services ...
Visible near infra-red (VisNIR) spectroscopy for predicting soil organic carbon in Ethiopia
Over the past few decades, the advantages of the visible-near infra-red (VisNIR) diffuse reflectance spectrometer (DRS) method have enabled prediction of soil organic carbon (SOC). In this study, SOC was predicted using regression models for samples taken from three sites (Gununo, Maybar and Anjeni) in Ethiopia. SOC was characterized in laboratory using conventional wet chemistry and VisNIR-DRS ...
A Review on Soil Carbon Sequestration in Ethiopia to Mitigate Land Degradation and Climate Change
Land degradation in Ethiopia leads, inter alia, to a decline in soil quality and depletion of soil organic carbon (SOC). Sequestration of SOC, in turn, is a practical option not only to increase the SOC stock and quality, but also to decrease soil degradation, increase productivity, and mitigate climate change. The objective of this review is to show gaps and priorities in research and ...
Editorial: Working with people for watershed management
Policy advice about the management of natural resources is based on theory and observations
about particular resources: water, fisheries, forests, rangelands, and minerals. These resource
stocks generate flows of benefits of interest to people; the resource stock is assumed to degrade or
improve as a result of overuse or deliberate conservation. Management and property rights
regimes are shown to ...
RICE AND WATER
Rice is eaten by about 3 billion people and is the most common staple
food of the largest number of people on earth (Maclean et al., 2002). In the
1960s, the combination of new high‐yielding varieties with increased input
use, such as water, fertilizer, and biocides (agrochemicals to protect the crop
from pests, diseases, and weeds), initiated a rapid increase in productivity
that is called the ...
Early participation in the American College and University Presidents’ Climate Commitment
Purpose – The purpose of this paper is to describe and analyze those US campuses that became
signatories of the American College and University Presidents Climate Commitment (ACUPCC) during
the charter membership period of December 2006 through September 15, 2007.
Design/methodology/approach – The paper draws on literature in organizational change,
organizational learning, and innovation ...
Adaptation to climate change in Ethiopia and South Africa: options and constraints
Climate change is expected to adversely affect agricultural production in Africa. Because
agricultural production remains the main source of income for most rural communities in
the region, adaptation of the agricultural sector is imperative to protect the livelihoods of the
poor and to ensure food security. A better understanding of farmers’ perceptions of climate
change, ongoing adaptation ...