https://www.um.edu.mt/library/oar/handle/123456789/5877 2026-04-13T09:03:29Z 2026-04-13T09:03:29Z Lanfranco, Sandro https://www.um.edu.mt/library/oar/handle/123456789/5781 2018-03-28T09:11:37Z 2004-01-01T00:00:00Z

Title: A simplified strategy for evaluating change in plant communities Authors: Lanfranco, Sandro Abstract: Implementation of monitoring programmes in ecological impact assessment frequently requires rapid, cost-effective surveys of vegetation along a time scale that varies according to the nature of the studies being carried out. When time constraints are restrictive such surveys may be qualitative and therefore highly dependent on the experience and competence of the observer. Reduction of subjectivity may be achieved by quantifying observation, an approach that would however in crease time constraints and reduce cost-effectiveness. The sampling and assessment strategy being proposed here is a semi-quantitative approach to determination of relative abundance of species. It retains the low effort-demand of qualitative technique whilst introducing a flexible quantitative aspect that may be incrementally adjusted towards specific requirements.

2004-01-01T00:00:00Z Lanfranco, Sandro De Walsche, Christine Schembri, Patrick J. Mertens, Johan https://www.um.edu.mt/library/oar/handle/123456789/5511 2017-08-16T06:58:05Z 1991-01-01T00:00:00Z

Title: Branchiopods (non-cladocerans) of the Maltese Islands (Central Mediterranean) Authors: Lanfranco, Sandro; De Walsche, Christine; Schembri, Patrick J.; Mertens, Johan Abstract: Four branchiopod species occur on the Maltese Islands, viz. Branchipus schaefferi, B. visnyau, Cyzicus tetracerus and Triops cancriformis. All four live in freshwater pools, but it is noteworthy that, beside B. schaefferi, T. cancriformis was recorded from a mesohaline, coast-fringing habitat.

1991-01-01T00:00:00Z