Agriculture Reference
In-Depth Information
tion of surface water bodies can be lessened and, with P, how valuable
nutrients can be recovered and reused. The analysis of the resources was
grouped in water, nutrients and energy, and focused on the import and ex-
port resources as well as the generation, recovery and usage of resources
within the small case study areas.
TABLE 3
:
Precipitation data (mm) for San Gregorio Atlapulco weather station, Xochimilco
[29].
Precipitation
Jan.
Feb. Mar. Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov. Dec.
Monthly sum* 13.4
14
11.7
30.7
78.6
147.9
172.2
148.7 111.4
64.2 7.8
6.6
Daily
maximum
32.0
20.3 17.8
23.9
36.8
46.8
49
63.4
36.5
42.0 17.5 14.5
* Monthly sum are according to climatological normals (1971-2000) and daily maximum
are observed.
2.4 RESULTS
2.4.1 RESULTS—PARTICIPATORY PLANNING
With the past and current systems in Xochimilco, natural resources have
been using wastefully, continuously. The case of Xochimilco is critical
for the future of whole Mexico City as it serves as a strategic water re-
serve for the city and for aquifer recharge. As shown in the introduction
there is a strong confl ict between urbanization of Xochimilco and envi-
ronmental conservation, a scenario workshop was conducted regarding
this background. The participants were from different stakeholder groups
including chinamperos, local government representatives, NGOs and aca-
demics. The visions of the participants were similar, but could not be sum-
marized in one single concept. Conservation of identity, which was very
often mentioned during the workshop, can be partly reached by preserv-
ing water resources as they are very important part of the local culture of
the chinamperos. Economy, society and the environment should be the
vertices of a triangle, and have equal value. In the center of that fi gure
may be awareness, culture and education. They could be starting points
