The effect of phosphorus nutrition, shrub control and fire on the dynamics of Mediterranean batha vegetation in Galilee, Israel

Systèmes sylvopastoraux. Pour un environnement, une agriculture et une économie durables

Zaragoza : CIHEAM

Cahiers Options Méditerranéennes; n. 12 1995

pages 125-128

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--- Henkin Z., Noy-Meir I., Gutman M., Seligman N.G. Th e effect of ph osph oru s n u trition , sh ru b con trol an d fire on th e dyn amics of Mediterran ean bath a vegetation in Galilee, Israel.

Systèmes sylvopastoraux. Pour un environnement, une agriculture et une économie durables . Zaragoza : CIHEAM, 1995. p. 125-128 (Cahiers Options Méditerranéennes; n. 12)

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on the dynamics of

Z. Gutmanc, and N. Seligmanc

C

Summary: The low of available is the main limiting

soils of the hilly Galilee, dominated by "batha", a of spiny and dwarf shrubs (mainly Sarcopoterium spinosum Spach). of "batha"

open woodland to the

suitability of these The influence

by oh the was studied, on a site

by a The eliminated almost all the bushes, and slow. A single

the initially by

The effect in

was still detectable in the sixth Application of in addition to to

of the bush component. a the effectively with

and a new dynamic b ance between the two components was maintained. Application of may be useful r" ^{ow bush} in open woodlands to

About 22,000 in

to on

by

Calicotome villosa

Sarcopoterium spinosum (L.) as

The dominance of by

last

The quality of the in to

of to

to of these

would also lessen the in

The specific aims of this : To evaluate the effects of applying phosphate and

on to evaluate the

effect of vegetation of

125

Study site

bushes of Sarcopoterium spinosum.

Treatment protocol

Variables monitored

and N of

soil available

Statistical analysis

in

at ~ 0 . 0 5 with the SAS package (SAS

1. A single application of sipficantly by 2 -

2. application caused significant changes in the botanical composition of

3. as the

The

by of A a dominant

to Sarcopoterium

spinosum

on two :

4 1).

A.

126

n

?i

Y

5 n

g ²⁰⁰

ìñ 100

O

PsoHo P45H1 P45Ho POHI Control

...

1988 1989 2990 1991 1992 1993

Figure l : fertilizer applied in on peak sward biomas in subsequent years (vertical bars show S.

1 j

n

80

PmHo

Control

:g ... _...

1988 1 9 8 9 y 9 0 l991 1992 1993

.“...&w,>w

Figure 2. fertilizer application and herbicide application in on cover of annual legumes in subsequent years

S

n 40

n 10

5

Control

P45 P W

Figure 3. of fertilization on renewal of dwarf-shrubs aJer afire event

1977. Chile and

climate ecosystems.

A., 1979. of of vegetation in the

SAS 1985. SAS guide

Statistics.

ed. SAS NC.

Zohary 1962. life in New York

Synthesis Series 5.

Galilee. of