|
|
|
|
|
| Stern, Rowena; Kraberg, Alexandra; Bresnan, Eileen; Kooistra, Wiebe H. C. F.; Lovejoy, Connie; Montresor, Marina; Moran, Xose Anxelu G.; Not, Fabrice; Salas, Rafael; Siano, Raffaele; Vaulot, Daniel; Amaral-zettler, Linda; Zingone, Adriana; Metfies, Katja. |
| Protists (microbial eukaryotes) are diverse, major components of marine ecosystems, and are fundamental to ecosystem services. In the last 10 years, molecular studies have highlighted substantial novel diversity in marine systems including sequences with no taxonomic context. At the same time, many known protists remain without a DNA identity. Since the majority of pelagic protists are too small to identify by light microscopy, most are neither comprehensively or regularly taken into account, particularly in Long-term Ecological Research Sites. This potentially undermines the quality of research and the accuracy of predictions about biological species shifts in a changing environment. The ICES Working Group for Phytoplankton and Microbial Ecology conducted... |
| Tipo: Text |
Palavras-chave: Protists; Long-term Ecological Research Station; Molecular; Time-series; Questionnaire; Literature survey. |
| Ano: 2018 |
URL: https://archimer.ifremer.fr/doc/00455/56708/58470.pdf |
| |
|
|
| Wagner, Joachim. |
| While the role of exports in promoting growth in general, and productivity in particular, has been investigated empirically using aggregate data for countries and industries for a long time, only recently have comprehensive longitudinal data at the firm level been used to look at the extent and causes of productivity differentials between exporters and their counterparts which sell on the domestic market only. This paper surveys the empirical strategies applied, and the results produced, in 45 microeconometric studies with data from 33 countries that were published between 1995 and 2004. Details aside, exporters are found to be more productive than non-exporters, and the more productive firms self select into export markets, while exporting does not... |
| Tipo: Working or Discussion Paper |
Palavras-chave: Exports; Productivity; Literature survey; Micro data; International Relations/Trade; Productivity Analysis; F14; D21. |
| Ano: 2005 |
URL: http://purl.umn.edu/26308 |
| |
|
|
|
