Designing cluster plots for sampling local plant species composition for biodiversity management

Designing ecological and biodiversity sampling strategies

Empirical studies of patterns in biodiversity and other ecological phenomena require field measurements. While finding a method of measurement at a predetermined site can be challenging, the locations at which samples are to be taken also have to be chosen. Despite many years of empirical field research in ecology, many studies seem to adopt designs which are poorly suited to their purpose. Thi...

Designing a Model for Creation of Export Consortiain Business Cluster

Today, small and medium enterprises are considered as one of the main components of economic development for various reasons. To name a few, job creation, resource efficiency, the ability to enhance local technology, the ability to meet new needs, quick decision-making, and training successful managers will all lead to the growth and economic development of countries. Despite these benefits, sm...

Biodiversity , Species Composition and Ecosystem Function

cluster sampling for determination of immunization coverage: a limitation

evidence provided from studies in iran points to a possible bias in application of the standard epi cluster sampling procedure, when carried out in populations with highly variant birth rates, tends to over-represent the low birth rate, i.e. higher socio-economic, strata, and if the entity under study shows significant socio-economic gradient, then the estimates arrived at by this method might ...

designing a model for local extension planning

local planning is a basic principle as well as a major part of comprehensive rural development in which main emphasis is placed on local initiatives to make human interactions more active and dynamic. in local planning, all parties including local people, governmental bodies and ngos interact to fulfill the basic goals of community development. one may find good examples of local planning exper...