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Report - Alternatives to fenthion for quelea bird control

… after sprays can cause fenthion to leach out of the soil and still be detectable five months later (Cheke et al. … residues in the air for 64 hours and for 46 days in soil was reported by van der Walt (2000). Recently there was … et al. (2013) found that cyanophos was still present in soil, at concentrations of from 0.009 to 0.169 g.g −1 , 41 …
20 Jun 2026 Document

The valuation of ecosystem services: Are the challenges too many to ensure the maintenance of ecosystem integrity?

… Regulating services, such as pest control, flood control, soil fertilizer, and water filtration are considerably more … ecosystem services, such as the production of oxygen, and soil formation. See further the Millennium Ecosystem … were high through, for instance, the negative impacts of ‘soil subsidence’, or when the sea level rises faster than …
20 Jun 2026 Literature See it in ECOLEX · This content is provided by ECOLEX

Evaluating effectiveness : A framework for assessing management effectiveness of protected areas

… services/ functions Catchment management and water supply Soil conservation Climate and disaster mitigation Clean … with previous years Evidence of graffiti, trampling and soil compaction Photo-monitoring and analysis Photo-monitoring and soil compaction measures Level of cooperation with local …
20 Jun 2026 Literature See it in ECOLEX · This content is provided by ECOLEX

The development of international environmental law at the Multilateral Environmental Agreements’ Conference of the Parties and its validity

20 Jun 2026 Literature See it in ECOLEX · This content is provided by ECOLEX