Economic Importance of Diatoms

Importance of sampling frequency when collecting diatoms

There has been increasing interest in diatom-based bio-assessment but we still lack a comprehensive understanding of how to capture diatoms' temporal dynamics with an appropriate sampling frequency (ASF). To cover this research gap, we collected and analyzed daily riverine diatom samples over a 1-year period (25 April 2013-30 April 2014) at the outlet of a German lowland river. The samples were...

Epipsammic diatoms of diatoms of Kelkit Creek (Tokat/Turkey)

In this study, diatoms in epipsammic samples, which were taken from two stations selected in Kelkit Creek (Tokat/Turkey) between March and December 2018, were analyzed. During the study, a total of 25 taxa belonging to diatoms were recorded. The diatom species represented by the highest number of taxa were Cymbela (4 taxa), Nitzschia (4 taxa), and Navicula (3 taxa). Sorensen similarity index be...

Investigating the Economic, Social and Touristic Importance of Anzali wetland

This resaerch was conducted in order to study the importance of economic, social and touristic to the Anzali wetland, north of Iran. Data was collected through "field research" and "documentary research". Nominal scales, Likert and Guttman scales were used for the compilation of questionnaires. Findings of the present research indicate that the variation of population growth rate in the periph...

The Economic Importance of The

The Importance of History for Economic Development

This article provides a survey of a growing body of empirical evidence that points toward the important long-term effects that historic events can have on economic development. The most recent studies, using microlevel data and more sophisticated identification techniques, have moved beyond testing whether history matters and attempt to identify exactly why history matters. The most commonly ex...