396
E. M. Koriesh and I. H. Abo-Soud
The rise in CO 2 availability directly impacts photosynthetic processes, evoking a wide range of physiological and morphological responses in plants. These
vary among species, depending on differences in photosynthetic pathways, intrinsic
growth rates and other properties. Prominent responses include changes in growth
rates [160], water use efficiency [161] and nutrient uptake rates [162].
Elevated CO 2 significantly promoted the growth of seedlings of different plants. At
the end of experiment carried by Raizada et al. [158], maximum percent enhancement
was observed in L. camara, meanwhile, B. variegata responded least to elevated
CO 2 . L. camara shrubs are therefore more efficient to remove carbon dioxide than B.
variegata (Table 1). Also, maximum mass was allocated to roots in L. camara under
both ambient and elevated CO 2 . Increased mass allocation to stem was observed for
L. camara under elevated CO 2 .
NAR (mg mg
−1 d
−1 ) of Lantana camara increased in response to elevated CO 2 , but
NAR of Bauhinia variegata was not affected, negatively or positively, by increasing
the concentration of carbon dioxide in the environment around plants. These studies
of Raizada et al. [158] showed that growth responses of ornamental trees and shrubs
plants to elevated CO 2 varied among species, some showing greater increases in
shoot length and biomass accumulation than others. However, biomass accumulation
under elevated CO 2 was greater in Lantana camara than in the woody trees as
Bauhinia variegata. Other studies have also shown an increase in overall biomass
of Lonicera japonica [159]. NAR as well as RGR increased under elevated CO 2
in Acacia catechu, Bauhinia variegata, Dalbergia latifolia, Tectona grandis, Hyptis
suaveolens and Lantana camara.
In conclusion, under the elevated CO 2 in future, photosynthesis and growth of
plants increased [163].
Trees also used for afforestation include other types of plants, Ficus religiosa, Bauhinia variegate, Cassia nodosa, Eucalyptus camaldulensis and Khaya
senegalensis (Table 2).
Afforestation and Environmental Gardens and Their Impact on Climate Change
The environment is the framework in which man’s life. Human behavior, air
quality and the emission of responsible gases affect the warming of the atmosphere
and the consequent effects of changes in the global map.
13.4 Climate Change and Changes in the Global Map
The climate is changing as a result of global warming. Many areas will become
warmer and fewer will be colder. The countries where the temperature will rise
are Russia, Scandinavia, Canada, Egypt and others. The climate will be adjusted
to moderate and suitable for the growth of many crops, strategic or otherwise, for
positive feedback cycles.
We do not deny that many countries are warming the world in their favor, so they
will not do anything seriously to reduce the accumulation of carbon dioxide, even
E. M. Koriesh and I. H. Abo-Soud
The rise in CO 2 availability directly impacts photosynthetic processes, evoking a wide range of physiological and morphological responses in plants. These
vary among species, depending on differences in photosynthetic pathways, intrinsic
growth rates and other properties. Prominent responses include changes in growth
rates [160], water use efficiency [161] and nutrient uptake rates [162].
Elevated CO 2 significantly promoted the growth of seedlings of different plants. At
the end of experiment carried by Raizada et al. [158], maximum percent enhancement
was observed in L. camara, meanwhile, B. variegata responded least to elevated
CO 2 . L. camara shrubs are therefore more efficient to remove carbon dioxide than B.
variegata (Table 1). Also, maximum mass was allocated to roots in L. camara under
both ambient and elevated CO 2 . Increased mass allocation to stem was observed for
L. camara under elevated CO 2 .
NAR (mg mg
−1 d
−1 ) of Lantana camara increased in response to elevated CO 2 , but
NAR of Bauhinia variegata was not affected, negatively or positively, by increasing
the concentration of carbon dioxide in the environment around plants. These studies
of Raizada et al. [158] showed that growth responses of ornamental trees and shrubs
plants to elevated CO 2 varied among species, some showing greater increases in
shoot length and biomass accumulation than others. However, biomass accumulation
under elevated CO 2 was greater in Lantana camara than in the woody trees as
Bauhinia variegata. Other studies have also shown an increase in overall biomass
of Lonicera japonica [159]. NAR as well as RGR increased under elevated CO 2
in Acacia catechu, Bauhinia variegata, Dalbergia latifolia, Tectona grandis, Hyptis
suaveolens and Lantana camara.
In conclusion, under the elevated CO 2 in future, photosynthesis and growth of
plants increased [163].
Trees also used for afforestation include other types of plants, Ficus religiosa, Bauhinia variegate, Cassia nodosa, Eucalyptus camaldulensis and Khaya
senegalensis (Table 2).
Afforestation and Environmental Gardens and Their Impact on Climate Change
The environment is the framework in which man’s life. Human behavior, air
quality and the emission of responsible gases affect the warming of the atmosphere
and the consequent effects of changes in the global map.
13.4 Climate Change and Changes in the Global Map
The climate is changing as a result of global warming. Many areas will become
warmer and fewer will be colder. The countries where the temperature will rise
are Russia, Scandinavia, Canada, Egypt and others. The climate will be adjusted
to moderate and suitable for the growth of many crops, strategic or otherwise, for
positive feedback cycles.
We do not deny that many countries are warming the world in their favor, so they
will not do anything seriously to reduce the accumulation of carbon dioxide, even