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Creation Date 

1. Before 1959  (643)
2. 1959 To 1974  (2,550)
3. 1975 To 1990  (28,388)
4. 1991 To 2007  (266,482)
5. After 2007  (1,285,018)
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New Records 

1. New From Last Month  (8,408)
2. New From Last 3 Month  (27,211)
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Resource Type 

1. Articles  (1,252,212)
2. magazinearticle  (102,029)
3. Book Chapters  (55,387)
4. Reviews  (28,060)
5. Thesises (postgraduate)  (24,879)
6. Newspaper Articles  (21,621)
7. Reports  (18,344)
8. Conference Proceedings  (16,072)
9. Patents  (14,128)
10. Books  (13,726)
11. Datasets  (11,868)
12. Newsletter Articles  (7,357)
13. References  (4,208)
14. Web Resources  (3,560)
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16. Text Resources  (1,270)
17. Government Documents  (1,172)
18. Other  (492)
19. Videos  (328)
20. Journals  (238)
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Subject 

1. Science & Technology  (795,234)
2. Life Sciences & Biomedicine  (610,550)
3. Environmental Sciences & Ecology  (327,663)
4. Environmental Sciences  (227,858)
5. Ecology  (225,885)
6. Physical Sciences  (200,641)
7. Climate Change  (137,819)
8. Ecosystems  (136,816)
9. Biological And Medical Sciences  (115,540)
10. Fundamental And Applied Biological Sciences. Psychology  (113,542)
11. Science & Technology - Other Topics  (105,600)
12. Animals  (105,472)
13. Life Sciences  (103,053)
14. Biodiversity  (102,033)
15. Agriculture  (98,484)
16. Technology  (95,298)
17. Animal, Plant And Microbial Ecology  (89,000)
18. Marine & Freshwater Biology  (78,922)
19. Social Sciences  (73,479)
20. Biomedical And Life Sciences  (72,223)
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Author/Creator 

1. Irving, Elaine  (19)
2. National Research Council (U.S.)  (4)
3. Parker, Mike  (2)
4. Argimon, M.; Badura, T.; D’Amato, D.; Kettunen, M.; Kinnunen, S.; Vihervaara, P  (1)
5. Parker, Mike  (1)
6. Allenby, Braden R  (1)
7. Bowen, W.D  (1)
8. Scott Chang; Xiangyang Sun  (1)
9. Julia Cooke; Jane L. DeGabriel  (1)
10. Silvia Pajares; Brendan J.M. Bohannan; Valeria Souza  (1)
11. Shin Haruta; Yasuhisa Saito; Hiroyuki Futamata  (1)
12. Govaerts  (1)
13. Committee on Inland Aquatic Ecosystems, National Research Council  (1)
14. Advisory Committee on Industrial Ecology and Environmentally Preferable Technology, National Academy of Engineering  (1)
15. Richards, Deanna J  (1)
16. Joel E. Kostka; Andreas P. Teske; Samantha B. Joye; Ian Head  (1)
17. National Academy of Engineering Staff  (1)
18. Wilson, Sara J  (1)
19. Okey, Thomas A  (1)
20. Dazé, Angie  (1)
21. Irving, Elaine  (1)
22. National Academy of Engineering  (1)
23. Clarke Murray, Cathryn  (1)
24. Yueh-Hsin Lo; Juan A. Blanco; Shovonlal Roy  (1)
25. Hagen, Dagmar; Lindhagen, Anna; Päivinen, Jussi; Svavarsdóttir, Kristín; Tennokene, Margit; Klokk, Terje; Aarønæs, Maja Stade  (1)
26. National Research Council (U.S.). Committee on Restoration of Aquatic Ecosystems--Science, Technology, and Public Policy  (1)
27. Home Rule Union  (1)
28. Lousier, J. Daniel  (1)
29. Aradóttir, Ása L.; Fosaa, Anna Maria; Hagen, Dagmar; Halldórsson, Guðmundur; Nilsson, Christer; Raulund-Rasmussen, Karsten; Skrindo, Astrid Brekke; Svavarsdóttir, Kristín; Tolvanen, Anne  (1)
30. Anielski  (1)
31. Andreas Teske; Anna-Louise Reysenbach  (1)
32. Directorate on Arid Zone Ecosystems of the United States Man and the Biosphere Program  (1)
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Databases 

1. ProQuest Central  (1,073,588)
2. DOAJ Directory of Open Access Journals  (497,755)
3. ROAD: Directory of Open Access Scholarly Resources  (411,901)
4. Geneva Foundation Free Medical Journals at publisher websites  (246,624)
5. PubMed Central  (201,155)
6. MEDLINE  (191,552)
7. Wiley Open Access Journals  (70,524)
8. SpringerOpen  (59,765)
9. Ebook Central - Academic Complete  (46,678)
10. Hyper Article en Ligne (HAL) (Open Access)  (39,170)
11. Public Library of Science (PLoS) Journals Open Access  (31,337)
12. HighWire Press (Free Journals)  (31,047)
13. Nature Free  (28,720)
14. Coronavirus Research Database  (28,639)
15. Free E- Journals  (27,599)
16. Institute of Physics Open Access Journal Titles  (27,303)
17. IOPscience (Open Access)  (22,184)
18. ProQuest One Psychology  (20,403)
19. Wiley-Blackwell AGU Digital Library  (20,241)
20. JSTOR Early Journal Content  (17,311)
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Language 

1. English  (1,528,958)
2. Japanese  (105,029)
3. French  (26,942)
4. Portuguese  (16,503)
5. Spanish  (14,606)
6. Chinese  (10,045)
7. German  (5,224)
8. Russian  (2,690)
9. Korean  (2,329)
10. Norwegian  (2,156)
11. Croatian  (1,764)
12. Czech  (1,238)
13. Italian  (1,104)
14. Persian  (952)
15. Polish  (949)
16. Catalan  (686)
17. Slovak  (673)
18. Swedish  (582)
19. Indonesian  (510)
20. Turkish  (458)
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Journal Title 

1. Business World  (12,766)
2. Environmental Science And Pollution Research International  (12,307)
3. Industry Snapshots  (11,780)
4. Iop Conference Series: Earth And Environmental Science  (15,248)
5. Iop Conference Series. Earth And Environmental Science  (16,334)
6. New York Times  (12,122)
7. Plos One  (27,872)
8. Scientific Reports  (16,693)
9. Sustainability  (24,978)
10. Water  (10,742)
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