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. 2009 Dec 3;162(4):837–852. doi: 10.1007/s00442-009-1514-7

Table 1.

Description of plant sampling sites, including location, rainfall, elevation data, and the site means of C (δ13C; ±1 SD) and N isotopic composition (δ15N; ±1 SD) values in C3 plants

Site Location (UTM) Mean annual rainfall (mm/year) Elevation (m a.s.l.) δ13C (±1 SD) δ15N (±1 SD) C/N ratio
X Y Wet Dry Wet Dry Wet Dry
1. Mitzpe Harashim 717853 3648546 994a 847 −27.2 ± 1.1 −26.1 ± 1.2 −2.5 ± 1.6 −2.6 ± 1.2 23.1 ± 4.5 42.6 ± 13.6
2. Har Tayasim 697806 3517219 593 775 −28.2 ± 1.7 −26.0 ± 0.7 −3.5 ± 2.7 −2.3 ± 1.6 31.9 ± 11.6 42.3 ± 7.5
3. Har Haruach 697518 3522767 706 656 – −27.8b – −1.4b – 41.7b
4. Beit Oren 687438 3623170 697 334 – −28.5b – 1.5b – 39.6b
5. Sataf 700611 3516714 605a 639 – −27.5 ± 0.5 – −1.2 ± 0.6 – 46.1 ± 12.4
6. Nahsholim 681201 3610391 593a 17 – −27.1b – 2.8b – 46.9b
7. S’dot Micha 680761 3510829 498a 229 −28.2 ± 1.2 −26.0 ± 3.3 −1.6 ± 1.0 −1.7 ± 2.1 20.9 ± 5.3 36.2 ± 4.6
8. Ein-Dor 727315 3615688 503 81 −28.6 ± 1.2 − −0.9 ± 1.4 − 15.3 ± 2.0 –
9. Bet Guvrin 682768 3498901 375a 346 −27.9 ± 1.0 −25.8 ± 1.8 −3.2 ± 0.9 −2.7 ± 2.1 28.4 ± 5.3 41.8 ± 7.5
10. Nofei Prat 720089 3523363 356 347 −27.3 ± 0.5 −27.2 ± 0.2 0.9 ± 0.3 0.5 ± 1.0 25.6 ± 4.6 46.6 ± 15.2
11. Alon 1 722287 3524064 314 269 −26.3 ± 1.0 −26.9 ± 0.3 3.5 ± 1.2 2.2 ± 1.2 23.6 ± 3.1 –
12. Alon 2 722298 3524185 314 245 −26.3 ± 1.0 – 1.4 ± 0.7 – 20.9 ± 11.6 41.72 ± 4.1
13. Mitzpe Jericho 727212 3522175 198 115 −26.0 ± 0.4 −26.5b 3.4 ± 0.7 2.6b 22.6 ± 3.0 32.02b
14. Metzokei Dragot ER 728051 3496676 82 −328 −25.4 ± 0.4 – 0.9 ± 1.1 – 22.5 ± 4.6 –
15. Metzokei Dragot DW 728080 3496682 82 −335 −26.4 ± 0.9 – 3.6 ± 0.7 – 24.6 ± 4.4 –
16. Metzokei Dragot DWD 728032 3496631 82 −324 –27.1 ± 1.0 –27.0 ± 2.6 3.0 ± 3.3 3.3 ± 1.9 – 40.2 ± 8.2
17. Dead Sea trees DWD 728314 3496843 80 −391 −26.5 ± 1.1 −26.6 ± 0.1 7.2 ± 2.8 4.4 ± 0.8 16.5 ± 6.1 24.2 ± 7.1
18. Lehavim 673696 3471975 296a 353 −28.5 ± 1.6 −25.6 ± 1.8 −0.1 ± 0.9 0.6 ± 1.1 20.3 ± 6.0 32.0 ± 10.8
19. Be’er Sheva 673510 3460402 184a 339 −27.2 ± 0.5 −25.7 ± 0.8 1.0 ± 0.5 0.7 ± 1.7 20.7 ± 3.3 37.5 ± 9.0
20. Nahal Secher ER 675193 3439441 133 357 −26.6 ± 0.5 −25.2 ± 1.9 0.3 ± 0.7 2.6 ± 1.2 – 39.3 ± 16.1
21. Nahal Secher DW 674312 3441398 138 336 −28.0 ± 2.1 – 5.0 ± 1.6 – 12.8 ± 10.8 –
22. Mash’abei Sadé ER 670135 3433175 98a 362 −26.7 ± 1.2 −25.4 ± 1.7 −0.2 ± 1.3 2.0 ± 1.0 16.9 ± 0.7 37.9 ± 10.8
23. Shivta ER 653344 3423745 89 354 −26.7 ± 1.1 −22.63b 0.5 ± 1.1 2.0b 16.2 ± 3.5 31.3b
24. Shivta DW 653139 3423652 89 343 −28.1 ± 3.4 – 2.4 ± 2.2 – 21.3 ± 5.9 –
25. Borot Lotz ER 654266 3375716 77a 993 −26.3 ± 0.3 −25.0 ± 1.3 −1.3 ± 2.5 −0.9. ± 2.6 13.2 ± 2.0 35.5 ± 10.1
26. Ezuz ER 640509 3407247 75a 329 −25.4 ± 0.8 – 8.0 ± 0.5 – 18.2 ± 4.1 –
27. Ezuz DW 640423 3407415 75a 323 −27.7 ± 1.6 −25.2 ± 1.1 8.3 ± 4.4 8.8 ± 0.6 12.7 ± 6.0 27.5 ± 12.1

UTM Universal transverse Mercator, ER exposed ridge, DW dry wash, DWD dry wash on dolomite rock

aDirect rainfall measurement recorded in nearby weather stations, while all other values are extrapolated from the Hebrew University of Jerusalem GIS database

bSites where only one plant life form was analyzed