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Book: The dry forests and woodlands of Africa

Chidumayo, Emmanuel N.

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(The Earthscan forest library)

2010

Author's details	ed. by Emmanuel N. Chidumayo
Series title	The Earthscan forest library
Language	English
Size	XV, 288 S. : Ill., graph. Darst., Kt., 24 cm
Publisher	Earthscan
Publishing place	London u.a.
Publishing country	Great Britain
Document type	Book
Note	Formerly CIP Uk. - Includes bibliographical references and index
HBZ-ID	HT016729634
ISBN	978-1-84971-131-9 ; 1-84971-131-3
Database	Catalogue ZB MED Nutrition, Environment, Agriculture

In stock of ZB MED Bonn / Germany

Shelf mark	Loan status	Location
118/426	available for loan (reading room)	Freihandmagazin (U1)

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Article: Biotic interactions, climate and disturbance underlie the distribution of two Julbernardia tree species in miombo woodlands of Africa

Chidumayo, Emmanuel N

Journal of tropical ecology. 2017 Jan., v. 33, no. 1

2017

Abstract: Occurrence data for Julbernardia globiflora and J. paniculata at 617 sites in the miombo woodland region of central, eastern and southern Africa and forest inventory data for 512 woodland plots in Zambia were used to determine species distribution and ... ...

Abstract	Occurrence data for Julbernardia globiflora and J. paniculata at 617 sites in the miombo woodland region of central, eastern and southern Africa and forest inventory data for 512 woodland plots in Zambia were used to determine species distribution and dominance. Distribution of the two Julbernardia species overlaps in the central region of the miombo woodland range while the eastern and western range regions are exclusively for only one of the two species. In the region of co-occurrence, there is a clear spatial separation in the dominance of the two species. In old-growth woodland a significant proportion of the variation in the dominance of J. globiflora was explained by the dominance of J. paniculata while mean annual maximum temperature and tree species richness negatively affect the dominance of J. paniculata. Old-growth woodland clearing changes the local climatic conditions and alters the way Julbernardia species in re-growth stands respond to potential evapo-transpiration (PET). Climate change, especially global warming, may further reinforce the impacts of PET to differentially favour J. globiflora. Because of this altered response of Julbernardia species in re-growth miombo, preserving old-growth miombo and preventing present human disturbances in designated areas, such as forest reserves and national parks, may be a useful climate adaptation strategy for these species.
Keywords	Brachystegia ; Julbernardia globiflora ; evapotranspiration ; forest inventory ; geographical distribution ; humans ; species richness ; temperature ; trees ; woodlands ; Zambia
Language	English
Dates of publication	2017-01
Size	p. 1-11.
Publishing place	Cambridge University Press
Document type	Article
Note	NAL-AP-2-clean
ZDB-ID	395518-7
ISSN	1469-7831 ; 0266-4674
ISSN (online)	1469-7831
ISSN	0266-4674
DOI	10.1017/S0266467416000584
Database	NAL-Catalogue (AGRICOLA)

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Article: Estimating tree biomass and changes in root biomass following clear-cutting of Brachystegia-Julbernardia (miombo) woodland in central Zambia

CHIDUMAYO, EMMANUEL N

Environmental conservation. 2014 Mar., v. 41, no. 1

2014

Abstract: This study aimed at developing allometric models from destructive sample field data for estimating both aboveground and belowground tree biomass and assessing changes in root biomass after old-growth Brachystegia-Julbernardia (miombo) woodland clearing ... ...

Abstract	This study aimed at developing allometric models from destructive sample field data for estimating both aboveground and belowground tree biomass and assessing changes in root biomass after old-growth Brachystegia-Julbernardia (miombo) woodland clearing in central Zambia. Logarithmic linear models were selected for estimating tree biomass because they gave the most accurate (low mean error) predictions. On average aboveground and belowground biomass in regrowth woodland represented 29% and 41%, respectively, of the biomass in old-growth woodland. The root:shoot ratios were 0.54 and 0.77 in old-growth and regrowth woodland, respectively. Ten years after clear-cutting old-growth woodland, root biomass loss was about 60% of the original biomass. The main cause of post clearing root biomass loss was fire which at the study sites occurred annually or biannually. Control of fire in cleared sites should be encouraged in forest management for carbon storage and sequestration in miombo woodland of southern Africa.
Keywords	allometry ; belowground biomass ; carbon sequestration ; clearcutting ; forest management ; linear models ; prediction ; regrowth ; root shoot ratio ; trees ; woodlands ; Zambia
Language	English
Dates of publication	2014-03
Size	p. 54-63.
Publishing place	Cambridge University Press
Document type	Article
ZDB-ID	1470226-5
ISSN	1469-4387 ; 0376-8929
ISSN (online)	1469-4387
ISSN	0376-8929
DOI	10.1017/S0376892913000210
Database	NAL-Catalogue (AGRICOLA)

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Article: Implications of climate warming on seedling emergence and mortality of African savanna woody plants

Chidumayo, Emmanuel N

Plant ecology. 2008 Sept., v. 198, no. 1

2008

Abstract: Seedling emergence from scarified seeds and mortality of different seedling cohorts of five African savanna woody species (Acacia polyacantha, A. sieberana, Bauhinia thonningii, Dichrostachys cinerea and Ziziphus abyssinica) were studied under field ... ...

Abstract	Seedling emergence from scarified seeds and mortality of different seedling cohorts of five African savanna woody species (Acacia polyacantha, A. sieberana, Bauhinia thonningii, Dichrostachys cinerea and Ziziphus abyssinica) were studied under field conditions at a site in central Zambia. The study was conducted over a 4-year period, from 2003 to 2007. The objectives of the study were to determine climate factors that significantly influence seedling emergence rate and mortality in order to assess likely responses of the studied species to a warmer climate. Mean seedling emergence rate was 12% in D. cinerea and Z. abyssinica, 17% in B. thonningii, 47% in A. poyacantha and 62% in A. sieberana. Climate factors did not significantly affect seedling emergence in A. sieberana while temperature significantly influenced seedling emergence rate in the other species. Under a 1° warmer climate, seedling emergence rate was predicted to decline in A. polyacantha, B. thonningii and Z. abysssinica but is likely to increase slightly in D. cinerea. Time of seedling emergence during the wet season did not appear to affect seedling survival. Temperature also significantly influenced seedling mortality in all the studied species such that under a warmer climate, mortality was predicted to increase in A. sieberana and D. cinerea but decrease in A. polyacantha, B. thonningii and Z. abyssinica. As the studied species exhibited differential optimum temperature conditions for seedling emergence and seedling survival, they are likely to respond to climate warming in different but predictable ways. The results of the study are useful to forest management and development of climate change adaptation strategies in southern Africa.
Keywords	Acacia ; Bauhinia ; Dichrostachys cinerea ; Ziziphus ; climatic factors ; forest management ; global warming ; mortality ; savannas ; seedling emergence ; seedlings ; seeds ; temperature ; wet season ; woody plants ; Zambia
Language	English
Dates of publication	2008-09
Size	p. 61-71.
Publisher	Springer Netherlands
Publishing place	Dordrecht
Document type	Article
ZDB-ID	1364679-5
ISSN	1573-5052 ; 1385-0237
ISSN (online)	1573-5052
ISSN	1385-0237
DOI	10.1007/s11258-007-9385-7
Database	NAL-Catalogue (AGRICOLA)

In stock of ZB MED Bonn / Germany

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Article: Data for developing allometric models and evaluating carbon stocks of the Zambezi Teak Forests in Zambia

Ngoma, Justine / Moors, Eddy / Kruijt, Bart / Speer, James H. / Vinya, Royd / Chidumayo, Emmanuel N. / Leemans, Rik

Data in Brief. 2018 Apr., v. 17

2018

Abstract: This paper presents data on carbon stocks of tropical tree species along a rainfall gradient. The data was generated from the Sesheke, Namwala, and Kabompo sites in Zambia. Though above-ground data was generated for all these three sites, we uprooted ... ...

Abstract	This paper presents data on carbon stocks of tropical tree species along a rainfall gradient. The data was generated from the Sesheke, Namwala, and Kabompo sites in Zambia. Though above-ground data was generated for all these three sites, we uprooted trees to determine below-ground biomass from the Sesheke site only. The vegetation was assessed in all three sites. The data includes tree diameter at breast height (DBH), total tree height, wood density, wood dry weight and root dry weight for large (≥ 5 cm DBH) and small (< 5 cm DBH) trees. We further presented Root-to-Shoot Ratios of uprooted trees. Data on the importance-value indices of various species for large and small trees are also determined. Below and above-ground carbon stocks of the surveyed tree species are presented per site. This data were used by Ngoma et al. (2018) [1] to develop above and below-ground biomass models and the reader is referred to this study for additional information, interpretation, and reflection on applying this data.
Keywords	Tectona grandis ; allometry ; belowground biomass ; carbon ; rain ; tree and stand measurements ; tree height ; trees ; tropical plants ; wood ; wood density ; Zambia
Language	English
Dates of publication	2018-04
Size	p. 1361-1373.
Publishing place	Elsevier Inc.
Document type	Article
ZDB-ID	2786545-9
ISSN	2352-3409
ISSN	2352-3409
DOI	10.1016/j.dib.2018.02.057
Database	NAL-Catalogue (AGRICOLA)

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Article: Data for developing allometric models and evaluating carbon stocks of the Zambezi Teak Forests in Zambia.

Ngoma, Justine / Moors, Eddy / Kruijt, Bart / Speer, James H / Vinya, Royd / Chidumayo, Emmanuel N / Leemans, Rik

Data in brief

2018 Volume 17, Page(s) 1361–1373

Abstract	This paper presents data on carbon stocks of tropical tree species along a rainfall gradient. The data was generated from the Sesheke, Namwala, and Kabompo sites in Zambia. Though above-ground data was generated for all these three sites, we uprooted trees to determine below-ground biomass from the Sesheke site only. The vegetation was assessed in all three sites. The data includes tree diameter at breast height (DBH), total tree height, wood density, wood dry weight and root dry weight for large (≥ 5 cm DBH) and small (< 5 cm DBH) trees. We further presented Root-to-Shoot Ratios of uprooted trees. Data on the importance-value indices of various species for large and small trees are also determined. Below and above-ground carbon stocks of the surveyed tree species are presented per site. This data were used by Ngoma et al. (2018) [1] to develop above and below-ground biomass models and the reader is referred to this study for additional information, interpretation, and reflection on applying this data.
Language	English
Publishing date	2018-02-28
Publishing country	Netherlands
Document type	Journal Article
ZDB-ID	2786545-9
ISSN	2352-3409
ISSN	2352-3409
DOI	10.1016/j.dib.2018.02.057
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Below and above-ground carbon distribution along a rainfall gradient. A case of the Zambezi teak forests, Zambia

Ngoma, Justine / Moors, Eddy / Kruijt, Bart / Speer, James H. / Vinya, Royd / Chidumayo, Emmanuel N. / Leemans, Rik

Acta Oecologica-International Journal of Ecology

2018 Volume 87

Abstract: Understanding carbon (C) stocks or biomass in forests is important to examine how forests mitigate climate change. To estimate biomass in stems, branches and roots takes intensive fieldwork to uproot, cut and weigh the mass of each component. Different ... ...

Abstract	Understanding carbon (C) stocks or biomass in forests is important to examine how forests mitigate climate change. To estimate biomass in stems, branches and roots takes intensive fieldwork to uproot, cut and weigh the mass of each component. Different models or equations are also required. Our research focussed on the dry tropical Zambezi teak forests and we studied their structure at three sites following a rainfall gradient in Zambia. We sampled 3558 trees at 42 plots covering a combined area of 15ha. Using data from destructive tree samples, we developed mixed-species biomass models to estimate above ground biomass for small (<5 cm diameter at breast height (DBH, 1.3 m above-ground)) and large (≥5 cm DBH) trees involving 90 and 104 trees respectively, that belonged to 12 species. A below-ground biomass model was developed from seven trees of three species (16–44 cm DBH) whose complete root systems were excavated. Three stump models were also derived from these uprooted trees. Finally, we determined the C fractions from 194 trees that belonged to 12 species. The analysis revealed that DBH was the only predictor that significantly correlated to both above-ground and below-ground biomass. We found a mean root-to-shoot ratio of 0.38:0.62. The C fraction in leaves ranged from 39% to 42%, while it varied between 41% and 46% in wood. The C fraction was highest at the Kabompo site that received the highest rainfall, and lowest at the intermediate Namwala site. The C stocks varied between 15 and 36 ton C ha−1 and these stocks where highest at the wetter Kabompo site and lowest at the drier Sesheke site. Our results indicate that the projected future rainfall decrease for southern Africa, will likely reduce the C storage potential of the Zambezi teak forests, thereby adversely affecting their mitigating role in climate change.
Keywords	Above-ground biomass ; Allometry ; Below-ground biomass ; Carbon stock ; Root-to-shoot ratio ; Zambezi teak forests
Subject code	580
Language	English
Publishing country	nl
Document type	Article ; Online
ZDB-ID	1033625-4
ISSN	1146-609X
ISSN	1146-609X
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Data for developing allometric models and evaluating carbon stocks of the Zambezi Teak Forests in Zambia

Ngoma, Justine / Moors, E.J. / Kruijt, B. / Speer, James H. / Vinya, Royd / Chidumayo, Emmanuel N. / Leemans, H.B.J.

Data in Brief

2018 Volume 17

Abstract	This paper presents data on carbon stocks of tropical tree species along a rainfall gradient. The data was generated from the Sesheke, Namwala, and Kabompo sites in Zambia. Though above-ground data was generated for all these three sites, we uprooted trees to determine below-ground biomass from the Sesheke site only. The vegetation was assessed in all three sites. The data includes tree diameter at breast height (DBH), total tree height, wood density, wood dry weight and root dry weight for large (≥ 5 cm DBH) and small (< 5 cm DBH) trees. We further presented Root-to-Shoot Ratios of uprooted trees. Data on the importance-value indices of various species for large and small trees are also determined. Below and above-ground carbon stocks of the surveyed tree species are presented per site. This data were used by Ngoma et al. (2018) [1] to develop above and below-ground biomass models and the reader is referred to this study for additional information, interpretation, and reflection on applying this data.
Keywords	Life Science
Subject code	580
Language	English
Publishing country	nl
Document type	Article ; Online
ZDB-ID	2786545-9
ISSN	2352-3409
ISSN	2352-3409
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Savannas are vital but overlooked carbon sinks.

Dobson, Andy / Hopcraft, Grant / Mduma, Simon / Ogutu, Joseph O / Fryxell, John / Anderson, T Michael / Archibald, Sally / Lehmann, Caroline / Poole, Joyce / Caro, Tim / Mulder, Monique Borgerhoff / Holt, Robert D / Berger, Joel / Rubenstein, Daniel I / Kahumbu, Paula / Chidumayo, Emmanuel N / Milner-Gulland, E J / Schluter, Dolph / Otto, Sarah /

Balmford, Andrew / Wilcove, David / Pimm, Stuart / Veldman, Joseph W / Olff, Han / Noss, Reed / Holdo, Ricardo / Beale, Colin / Hempson, Gareth / Kiwango, Yustina / Lindenmayer, David / Bond, William / Ritchie, Mark / Sinclair, Anthony R E

Science (New York, N.Y.)

2022 Volume 375, Issue 6579, Page(s) 392

Language	English
Publishing date	2022-01-27
Publishing country	United States
Document type	Letter
ZDB-ID	128410-1
ISSN	1095-9203 ; 0036-8075
ISSN (online)	1095-9203
ISSN	0036-8075
DOI	10.1126/science.abn4482
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Zs.A 27: Show issues			Location: Je nach Verfügbarkeit (siehe Angabe bei Bestand) bis Jg. 1994: Bestellungen von Artikeln über das Online-Bestellformular Jg. 1995 - 2021: Lesesall (1.OG) ab Jg. 2022: Lesesaal (EG)
Zs.MG 77: Show issues

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Article ; Online: Climate seasonality limits leaf carbon assimilation and wood productivity in tropical forests

Wagner, Fabien H. / Hérault, Bruno / Bonal, Damien / Stahl, Clément / Anderson, Liana O. / Baker, Timothy R. / Becker, Gabriel Sebastian / Beeckman, Hans / Boanerges Souza, Danilo / Botosso, Paulo Cesar / Bowman, David M.J.S. / Bräuning, Achim / Brede, Benjamin / Brown, Foster Irving / Camarero, Jesus Julio / Camargo, Plínio Barbosa / Cardoso, Fernanda C.G. / Carvalho, Fabrício Alvim / Castro, Wendeson /

Chagas, Rubens Koloski / Chave, Jérome / Chidumayo, Emmanuel N. / Clark, Deborah A. / Costa, Flavia Regina Capellotto / Couralet, Camille / Da Silva Mauricio, Paulo Henrique / Dalitz, Helmut / De Castro, Vinicius Resende / De Freitas Milani, Jaçanan Eloisa / De Oliveira, Edilson Consuelo / De Souza Arruda, Luciano / Devineau, Jean-Louis / Drew, David M. / Dünisch, Oliver / Durigan, Giselda / Elifuraha, Elisha / Fedele, Marcio / Ferreira Fedele, Ligia / Figueiredo Filho, Afonso / Finger, César Augusto Guimarães / Franco, Augusto César / Freitas Júnior, João Lima / Galvão, Franklin / Gebrekirstos, Aster / Gliniars, Robert / Lima De Alencastro Graça, Paulo Maurício / Griffiths, Anthony D. / Grogan, James / Guan, Kaiyu / Homeier, Jürgen / Kanieski, Maria Raquel / Kho, Lip Khoon / Koenig, Jennifer / Kohler, Sintia Valerio / Krepkowski, Julia / Lemos-filho, José Pires / Lieberman, Diana / Lieberman, Milton Eugene / Lisi, Claudio Sergio / Longhi Santos, Tomaz / López Ayala, José Luis / Maeda, Eduardo Eijji / Malhi, Yadvinder / Maria, Vivian R.B. / Marques, Marcia C.M. / Marques, Renato / Maza Chamba, Hector / Mbwambo, Lawrence / Melgaço, Karina Liana Lisboa / Mendivelso, Hooz Angela / Murphy, Brett P. / O'Brien, Joseph J. / Oberbauer, Steven F. / Okada, Naoki / Pélissier, Raphaël / Prior, Lynda D. / Roig, Fidel Alejandro / Ross, Michael / Rossatto, Davi Rodrigo / Rossi, Vivien / Rowland, Lucy / Rutishauser, Ervan / Santana, Hellen / Schulze, Mark / Selhorst, Diogo / Silva, Williamar Rodrigues / Silveira, Marcos / Spannl, Susanne / Swaine, Michael D. / Toledo, José Julio / Toledo, Marcos Miranda / Toledo, Marisol / Toma, Takeshi / Tomazello Filho, Mario / Valdez Hernández, Juan Ignacio / Verbesselt, Jan / Vieira, Simone Aparecida / Vincent, Grégoire / Volkmer De Castilho, Carolina / Volland, Franziska / Worbes, Martin / Zanon, Magda Lea Bolzan / Aragão, Luiz E.O.C.

Biogeosciences

2016 Volume 13, Issue 8

Abstract: The seasonal climate drivers of the carbon cycle in tropical forests remain poorly known, although these forests account for more carbon assimilation and storage than any other terrestrial ecosystem. Based on a unique combination of seasonal pan-tropical ...

Abstract	The seasonal climate drivers of the carbon cycle in tropical forests remain poorly known, although these forests account for more carbon assimilation and storage than any other terrestrial ecosystem. Based on a unique combination of seasonal pan-tropical data sets from 89 experimental sites (68 include aboveground wood productivity measurements and 35 litter productivity measurements), their associated canopy photosynthetic capacity (enhanced vegetation index, EVI) and climate, we ask how carbon assimilation and aboveground allocation are related to climate seasonality in tropical forests and how they interact in the seasonal carbon cycle. We found that canopy photosynthetic capacity seasonality responds positively to precipitation when rainfall is < 2000 mm yr−1 (water-limited forests) and to radiation otherwise (light-limited forests). On the other hand, independent of climate limitations, wood productivity and litterfall are driven by seasonal variation in precipitation and evapotranspiration, respectively. Consequently, light-limited forests present an asynchronism between canopy photosynthetic capacity and wood productivity. First-order control by precipitation likely indicates a decrease in tropical forest productivity in a drier climate in water-limited forest, and in current light-limited forest with future rainfall < 2000 mm yr−1.
Keywords	Life Science
Subject code	550
Language	English
Publishing country	nl
Document type	Article ; Online
ZDB-ID	2158181-2
ISSN	1726-4189 ; 1726-4170
ISSN (online)	1726-4189
ISSN	1726-4170
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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