The EcoTrends project was established in 2004 by Dr. Debra Peters (Jornada Basin LTER, USDA-ARS Jornada Experimental Range) and Dr. Ariel Lugo (Luquillo LTER, USDA-FS Luquillo Experimental Forest)

DataONE2015-02-25 更新60

Sociodemographic characteristics of the respondents in sub-Saharan Africa, 2020.

人口统计学

非洲发展研究

Sociodemographic characteristics of the respondents in sub-Saharan Africa, 2020.

NIAID Data Ecosystem40

ACS 1-Year Estimates Detailed Tables

家庭代际抚养

族裔人口统计

Grandparents Living With Own Grandchildren Under 18 Years by Responsibility for Own Grandchildren and Age of Grandparent (Hispanic or Latino)

U.S. Census Bureau Test Data Platform70

Brazil Demographic and Health Survey 1991

人口统计学

公共健康

Brazil Demographic and Health Survey 1991

Global Health Data Exchange ()50

ACS 5-Year Estimates Detailed Tables

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