Term

Total occur.

1985-1990

1991-1995

1996-2000

2001-2005

2006-2010

2011-2012 (origin. 2 yr)*

biodiversity/biodiverse/biodiversity’s

9903

42

737

1524

2093

3594

4783 (1913)

diversity/diversity’s/diverse

8262

2

126

541

1504

3878

5528 (2211)

species

7467

2

97

459

1450

3447

5030 (2012)

forest/forests

5810

3

133

540

1204

2544

3465 (1386)

communities/community

5534

1

60

290

907

2664

4030 (1612)

conservation/conservations

5218

4

204

502

1028

2224

3140 (1256)

plant/plants

3857

0

30

287

749

1748

2608 (1043)

ecological/ecology/ecologically

3042

2

87

329

642

1336

1615 (646)

change/changes/changed

2836

1

33

153

438

1316

2238 (895)

ecosystem/ecosystems

2790

0

61

271

516

1159

1958 (783)

environment/environmental/environments

2501

0

55

195

477

1119

1638 (655)

soil/soils

2415

0

26

193

462

1115

1548 (619)

management/managements

2384

1

68

219

474

989

1583 (633)

habitat/habitats

2338

0

26

159

440

1061

1630 (652)

south/southern

2252

0

19

167

443

1005

1545 (618)

landscape/landscapes

2218

1

29

154

424

1040

1425 (570)

structure/structures/structured

2080

0

22

126

352

1036

1360 (544)

area/areas

2001

0

33

121

360

897

1475 (590)

impact/impacts/impacted

1958

0

20

117

326

925

1425 (570)

marine

1883

1

29

136

356

859

1255 (502)

distribution/distributions

1864

0

14

105

325

915

1263 (505)

bacteria/bacterial

1835

2

6

46

179

1002

1500 (600)

richness

1725

0

23

135

382

766

1048 (419)

populations/populations

1671

0

29

95

289

840

1045 (418)

tropical

1655

4

45

142

300

734

1075 (430)

microbial

1524

0

4

68

239

785

1070 (428)

spatial/spatially

1450

0

14

64

261

680

1078 (431)

fish/fishes

1445

1

28

89

249

632

1115 (446)

assessment/assessments

1374

1

17

104

250

626

940 (376)

genetic/genetics/genetically

1341

1

23

93

256

625

858 (343)

climate/climates

1338

1

12

39

148

620

1295 (518)

river/rivers

1334

0

19

95

222

599

998 (399)

composition/compositions

1327

0

11

53

220

633

1025 (410)

land/lands

1283

1

17

88

252

591

835 (334)