Advanced search options

Advanced Search Options 🞨

Browse by author name (“Author name starts with…”).

Find ETDs with:

in
/  
in
/  
in
/  
in

Written in Published in Earliest date Latest date

Sorted by

Results per page:

Sorted by: relevance · author · university · dateNew search

You searched for subject:(Brachystegia spiciformis). Showing records 1 – 2 of 2 total matches.

Search Limiters

Last 2 Years | English Only

No search limiters apply to these results.

▼ Search Limiters


Swedish University of Agricultural Sciences

1. Guedes, Benard. Carbon stocks and dynamics in miombo, pinus and eucalyptus forests in Mozambique.

Degree: 2017, Swedish University of Agricultural Sciences

In Mozambique and neighbouring countries, deforestation and degradation of miombo forests are counteracted by new plantations of fast growing species and conservation of natural woodlands, activities supported by the REDD+ mechanism. The aim of this thesis was to examine the impacts of plantations of Pinus and Eucalyptus compared with mountain miombo forest on carbon stocks and dynamics in soil and tree biomass. The thesis also aimed to develop allometric biomass equations for lowland miombo forest to estimate aboveground tree biomass at the landscape scale. The entire study area was located within the Beira development corridor region, central Mozambique. Study plots of mountain miombo and 34-year-old first rotation plantations of Pinus taeda and Eucalyptus grandis were selected on three study sites in the Western highland of the Manica province to investigate total ecosystem carbon and nitrogen stocks in soil, litter and biomass. Tree biomass was estimated using allometric equations found in the literature. Total ecosystem carbon stocks in soils, litter layer and biomass, and net ecosystem production were all significantly higher in P. taeda and E. grandis plantations than in adjacent mountain miombo forest. Net primary production were higher in P. taeda and E. cloeziana plantations than in adjacent mountain miombo forest. Total soil nitrogen stocks in the topsoil layers were also significantly higher in plantation stands. The higher soil stocks of carbon and nitrogen could be explained to some extent with higher leaf litterfall, from Q-model predictions. However, higher root litter production in plantation stands was probably an additional important contribution to the measured higher soil organic carbon stocks. Two biomass functions were developed for estimating aboveground tree biomass of mixed-species lowland miombo forest. One equation was developed for estimating biomass based on stem diameter at breast height (1.3 m). The other equation was developed for estimating biomass based on stem diameter at stump height, to make it possible to also estimate losses of biomass in high exploitation areas of miombo woodlands.

Subjects/Keywords: biomass; Brachystegia; Eucalyptus; Pinus taeda; forest litter; forest soils; carbon stock assessment; environmental impact assessment; survey methods; Mozambique; Biomass equation; Brachystegia spiciformis; Eucalyptus grandis; Eucalyptus cloeziana; Pinus taeda; Fine root production; Litterfall; Net primary production; Soil carbon

Record DetailsSimilar RecordsGoogle PlusoneFacebookTwitterCiteULikeMendeleyreddit

APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6th Edition):

Guedes, B. (2017). Carbon stocks and dynamics in miombo, pinus and eucalyptus forests in Mozambique. (Doctoral Dissertation). Swedish University of Agricultural Sciences. Retrieved from https://pub.epsilon.slu.se/14737/

Chicago Manual of Style (16th Edition):

Guedes, Benard. “Carbon stocks and dynamics in miombo, pinus and eucalyptus forests in Mozambique.” 2017. Doctoral Dissertation, Swedish University of Agricultural Sciences. Accessed February 28, 2021. https://pub.epsilon.slu.se/14737/.

MLA Handbook (7th Edition):

Guedes, Benard. “Carbon stocks and dynamics in miombo, pinus and eucalyptus forests in Mozambique.” 2017. Web. 28 Feb 2021.

Vancouver:

Guedes B. Carbon stocks and dynamics in miombo, pinus and eucalyptus forests in Mozambique. [Internet] [Doctoral dissertation]. Swedish University of Agricultural Sciences; 2017. [cited 2021 Feb 28]. Available from: https://pub.epsilon.slu.se/14737/.

Council of Science Editors:

Guedes B. Carbon stocks and dynamics in miombo, pinus and eucalyptus forests in Mozambique. [Doctoral Dissertation]. Swedish University of Agricultural Sciences; 2017. Available from: https://pub.epsilon.slu.se/14737/


Swedish University of Agricultural Sciences

2. Guedes, Benard. Carbon stocks and dynamics in miombo, pinus and eucalyptus forests in Mozambique.

Degree: 2017, Swedish University of Agricultural Sciences

In Mozambique and neighbouring countries, deforestation and degradation of miombo forests are counteracted by new plantations of fast growing species and conservation of natural woodlands, activities supported by the REDD+ mechanism. The aim of this thesis was to examine the impacts of plantations of Pinus and Eucalyptus compared with mountain miombo forest on carbon stocks and dynamics in soil and tree biomass. The thesis also aimed to develop allometric biomass equations for lowland miombo forest to estimate aboveground tree biomass at the landscape scale. The entire study area was located within the Beira development corridor region, central Mozambique. Study plots of mountain miombo and 34-year-old first rotation plantations of Pinus taeda and Eucalyptus grandis were selected on three study sites in the Western highland of the Manica province to investigate total ecosystem carbon and nitrogen stocks in soil, litter and biomass. Tree biomass was estimated using allometric equations found in the literature. Total ecosystem carbon stocks in soils, litter layer and biomass, and net ecosystem production were all significantly higher in P. taeda and E. grandis plantations than in adjacent mountain miombo forest. Net primary production were higher in P. taeda and E. cloeziana plantations than in adjacent mountain miombo forest. Total soil nitrogen stocks in the topsoil layers were also significantly higher in plantation stands. The higher soil stocks of carbon and nitrogen could be explained to some extent with higher leaf litterfall, from Q-model predictions. However, higher root litter production in plantation stands was probably an additional important contribution to the measured higher soil organic carbon stocks. Two biomass functions were developed for estimating aboveground tree biomass of mixed-species lowland miombo forest. One equation was developed for estimating biomass based on stem diameter at breast height (1.3 m). The other equation was developed for estimating biomass based on stem diameter at stump height, to make it possible to also estimate losses of biomass in high exploitation areas of miombo woodlands.

Subjects/Keywords: biomass; Brachystegia; Eucalyptus; Pinus taeda; forest litter; forest soils; carbon stock assessment; environmental impact assessment; survey methods; Mozambique; Biomass equation; Brachystegia spiciformis; Eucalyptus grandis; Eucalyptus cloeziana; Pinus taeda; Fine root production; Litterfall; Net primary production; Soil carbon

Record DetailsSimilar RecordsGoogle PlusoneFacebookTwitterCiteULikeMendeleyreddit

APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6th Edition):

Guedes, B. (2017). Carbon stocks and dynamics in miombo, pinus and eucalyptus forests in Mozambique. (Doctoral Dissertation). Swedish University of Agricultural Sciences. Retrieved from https://pub.epsilon.slu.se/14737/

Chicago Manual of Style (16th Edition):

Guedes, Benard. “Carbon stocks and dynamics in miombo, pinus and eucalyptus forests in Mozambique.” 2017. Doctoral Dissertation, Swedish University of Agricultural Sciences. Accessed February 28, 2021. https://pub.epsilon.slu.se/14737/.

MLA Handbook (7th Edition):

Guedes, Benard. “Carbon stocks and dynamics in miombo, pinus and eucalyptus forests in Mozambique.” 2017. Web. 28 Feb 2021.

Vancouver:

Guedes B. Carbon stocks and dynamics in miombo, pinus and eucalyptus forests in Mozambique. [Internet] [Doctoral dissertation]. Swedish University of Agricultural Sciences; 2017. [cited 2021 Feb 28]. Available from: https://pub.epsilon.slu.se/14737/.

Council of Science Editors:

Guedes B. Carbon stocks and dynamics in miombo, pinus and eucalyptus forests in Mozambique. [Doctoral Dissertation]. Swedish University of Agricultural Sciences; 2017. Available from: https://pub.epsilon.slu.se/14737/

.