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Directory entires that have specified Sverdrup Research Station, Ny-Ålesund as one of the geographic regions for the project/activity and are included in the AMAP, ENVINET, SAON and SEARCH directories. Note that the list of regions is not hierarchical, and there is no relation between regions (e.g. a record tagged with Nunavut may not be tagged with Canada). To see the full list of regions, see the regions list. To browse the catalog based on the originating country (leady party), see the list of countries.
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Parental effort, the extra energy expenditure above maintenance levels devoted to the care of affspring, has been postulated to incur a fitness cost.