FOREST INFLUENCES. 



327 



Tree-top temperature different, woods and open fields — Continued. 



-MINIMA. MEAN. MAXIMA. 



T O 



+ 2' 



MwHSiHUh HmfcunMHblfiii 





WINTER. 



SPRING. 



SUMMER. 



AUTUMN, 



Fig. 71 .— - Soimenberg. 



-*-9 c 



*> mm 











- 











I*'v — 





+ r 



*" 





























*~~~~ 



^™**«»«_ 























-1° 



„ 



-"^■-^ 







**' 



"-^ 



■*»•—, 











**>*~ 



-2° 







^" 



«— - — " 















— o 

















— — - 













WINTER. 



SPRING 



SUMMER. 



AUTUMN. 



Fig. 72 — Kurwien. 



Fig. 73.— -Hagenau. 



Fig. 74.— Neumath. 



Fig. 75.~~Peoidu<ma trees. 



