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1. High aboveground carbon stock of African tropical montane forests

Author

Cuni-Sanchez, Aida, Sullivan, Martin J. P., Platts, Philip J., Lewis, Simon L., Marchant, Rob, Imani, Gérard, Hubau, Wannes, Abiem, Iveren, Adhikari, Hari, Albrecht, Tomas, Altman, Jan, Amani, Christian, Aneseyee, Abreham B., Avitabile, Valerio, Banin, Lindsay, Batumike, Rodrigue, Bauters, Marijn, Beeckman, Hans, Begne, Serge K., Bennett, Amy C., Bitariho, Robert, Boeckx, Pascal, Bogaert, Jan, Bräuning, Achim, Bulonvu, Franklin, Burgess, Neil D., Calders, Kim, Chapman, Colin, Chapman, Hazel, Comiskey, James, de Haulleville, Thales, Decuyper, Mathieu, DeVries, Ben, Dolezal, Jiri, Droissart, Vincent, Ewango, Corneille, Feyera, Senbeta, Gebrekirstos, Aster, Gereau, Roy, Gilpin, Martin, Hakizimana, Dismas, Hall, Jefferson, Hamilton, Alan, Hardy, Olivier, Hart, Terese, Heiskanen, Janne, Hemp, Andreas, Herold, Martin, Hiltner, Ulrike, Horak, David, Kamdem, Marie-Noel, Kayijamahe, Charles, Kenfack, David, Kinyanjui, Mwangi J., Klein, Julia, Lisingo, Janvier, Lovett, Jon, Lung, Mark, Makana, Jean-Remy, Malhi, Yadvinder, Marshall, Andrew, Martin, Emanuel H., Mitchard, Edward T. A., Morel, Alexandra, Mukendi, John T., Muller, Tom, Nchu, Felix, Nyirambangutse, Brigitte, Okello, Joseph, Peh, Kelvin S.-H., Pellikka, Petri, Phillips, Oliver L., Plumptre, Andrew, Qie, Lan, Rovero, Francesco, Sainge, Moses N., Schmitt, Christine B., Sedlacek, Ondrej, Ngute, Alain S. K., Sheil, Douglas, Sheleme, Demisse, Simegn, Tibebu Y., Simo-Droissart, Murielle, Sonké, Bonaventure, Soromessa, Teshome, Sunderland, Terry, Svoboda, Miroslav, Taedoumg, Hermann, Taplin, James, Taylor, David, Thomas, Sean C., Timberlake, Jonathan, Tuagben, Darlington, Umunay, Peter, Uzabaho, Eustrate, Verbeeck, Hans, Vleminckx, Jason, Wallin, Göran, Wheeler, Charlotte, Willcock, Simon, Woods, John T., and Zibera, Etienne

Published
2021
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5. Trees on Farms Provide Both Wood Value and Conservation Value in a Tropical Forest System: A Case Study from Western Kenya

Author

Espira, Anton, Kefa, Christopher, Lung, Mark, and Gregory, Andrew J.

Subjects
life_sciences_other
Abstract

A primary challenge facing conservationists is reconciling the human needs of forest adjacent communities with the needs of conserving forest biodiversity, especially in tropical regions with growing populations of rural poor. Agroforestry has the potential to simultaneously provide for human needs and enhance forest biodiversity, but the complex interactions and feedbacks between the social and natural dimensions are relatively undescribed and thus systematic implementation is rare. The attributes of trees on farms required for human needs and conservation value may conflict. For example, exotic species in monoculture may provide the most economic value for farmers, while relic or planted indigenous tree mixtures may be more valuable for biological conservation. The objective of this study was to explore whether agroforestry practices in a moist tropical forest ecosystem in Kenya can simultaneously provide timber and fuelwood value to small-holder farmers while extending forest tree biodiversity. We described the agroforestry attributes on farms around a tropical forest, assessed the relationship between number and biomass of timber/fuelwood trees and tree biodiversity, and explored the relationships between forest tree diversity attributes and farm tree diversity attributes on a landscape scale using spatial analysis. We found that the diversity and number of trees on farms in this area are extensive yet variable, but that no significant relationship exists between the number of timber/fuelwood trees and tree diversity. This suggests that the two values of agroforestry may not be in conflict, due mainly to the high diversity of trees used for fuelwood. We also found that trees on farms in the larger landscape add to the conservation value of forest tree biodiversity and could be important components in conservation management. If agroforestry is to play an increasingly active role in conserving biodiversity in human-dominated landscapes, particularly in areas of dense subsistence farmer populations, increase recognition needs to be given to farmer’s perception of the value of trees and their selection of what trees to plant or maintain.

Published
2023

7. A Thematic Approach: Making a Biology Course Relevant and Process-Oriented.

Author

Lung, Mark

Abstract

Evaluates a thematic program designed for use in introductory biology courses. Main objectives include the following: to provide relevancy of biological concepts beyond the classroom, be process oriented, integrate units within a biology course, teach for higher-order thinking, and expand the use of resources beyond the textbook. (CCM)

Published
1999

12. Quantifying the rate of subsistence wood harvesting from a tropical rainforest in Kenya.

Author

Kefa, Christopher Amutabi, Gregory, Andrew J., Lung, Mark, and Espira, Anton

Subjects
KAKAMEGA Forest Reserve (Kenya), CAPITALISM, WOOD
Abstract

One of the major threats to tropical forests throughout the world is the frequency and intensity with which local people use forests for subsistence. Kakamega Forest in Kenya is one such forest, in which fuelwood harvest is a primary use. The Kenya Forest Service and Kenya Wildlife Service have tried to regulate subsistence harvesting in this forest. However, high human population density (c. 542 people per km2) and extreme poverty leave local people little choice but to use forest resources to survive. We investigated patterns of wood use by people across Kakamega Forest. Our results indicate that wood harvesters prefer indigenous as opposed to non-indigenous wood, as the former sells for a premium price. Harungana madagascariensis and Psidium guajava were the most harvested indigenous and non-indigenous woods, respectively. Our data suggest that because market economies seem to drive forest use, perhaps they can be used to incentivize forest conservation. Proper integration of economic forest conservation interventions, economic diversification, and effective forest management are needed to protect Kakamega Forest. [ABSTRACT FROM PUBLISHER]

Published
2018
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14. HOUSE OF STRAW.

Author

LUNG, MARK

Subjects
FIRST person narrative, STRAW bale houses
Abstract

A personal narrative is presented which explores the author's experience of establishing a straw bale house recognized with the Excellence in Building Award from Boise City in 2010.

Published
2014

15. A Thematic Approach.

Author

Lung, Mark

Subjects
*BIOLOGY education, *TEACHING, *METHODOLOGY
Abstract

Presents information on how to design a biology course relevant to education and process-oriented. Main objectives of thematic program; Activities included in the study of introductory biology; Objectives in the formulation of the program; Sample program involving the case of a village who experienced malaria epidemics.

Published
1999

16. High aboveground carbon stock of African tropical montane forests

Author

Cuni-Sanchez, Aida, Sullivan, Martin J.P., Platts, Philip J., Lewis, Simon L., Marchant, Rob, Imani, Gérard, Hubau, Wannes, Abiem, Iveren, Adhikari, Hari, Albrecht, Tomas, Altman, Jan, Amani, Christian, Aneseyee, Abreham B., Avitabile, Valerio, Banin, Lindsey, Batumike, Rodrigue, Bauters, Marijn, Beeckman, Hans, Begne, Serge K., Bennett, Amy C., Bitariho, Robert, Boeckx, Pascal, Bogaert, Jan, Bräuning, Achim, Bulonvu, Franklin, Burgess, Neil D., Calders, Kim, Chapman, Colin, Chapman, Hazel, Comiskey, James, de Haulleville, Thales, Decuyper, Mathieu, DeVries, Ben, Dolezal, Jiri, Droissart, Vincent, Ewango, Corneille, Feyera, Senbeta, Gebrekirstos, Aster, Gereau, Roy, Gilpin, Martin, Hakizimana, Dismas, Hall, Jefferson, Hamilton, Alan, Hardy, Olivier, Hart, Terese, Heiskanen, Janne, Hemp, Andreas, Herold, Martin, Hiltner, Ulrike, Horak, David, Kamdem, Marie-Noel, Kayijamahe, Charles, Kenfack, David, Kinyanjui, Mwangi J., Klein, Julia, Lisingo, Janvier, Lovett, Jon, Lung, Mark, Makana, Jean-Remy, Mahli, Yadvinder, Marshall, Andrew, Martin, Emanuel H., Mitchard, Edward T. A., Morel, Alexandra, Mukendi, John T., Muller, Tom, Nchu, Felix, Nyirambangutse, Brigitte, Okello, Joseph, Peh, Kelvin S.-H., Pellikka, Petri, Phillips, Oliver L., Plumptre, Andrew, Qie, Lan, Rovero, Francesco, Sainge, Moses N., Schmitt, Christine B., Sedlacek, Ondrej, Ngute, Alain S. K., Sheil, Douglas, Sheleme, Demisse, Simegne, Tibebu Y., Simo-Droissart, Murielle, Sonké, Bonaventure, Soromessa, Teshome, Sunderland, Terry, Svoboda, Miroslav, Taedoumg, Hermann, Taplin, James, Taylor, David, Thomas, Sean C., Timberlake, Jonathan, Tuagben, Darlington, Umunay, Peter, Uzabaho, Eustrate, Verbeeck, Hans, Vleminckx, Jason, Wallin, Göran, Wheeler, Charlotte, Willcock, Simon, Woods, John T., Zibera, Etienne, Cuni-Sanchez, Aida, Sullivan, Martin J.P., Platts, Philip J., Lewis, Simon L., Marchant, Rob, Imani, Gérard, Hubau, Wannes, Abiem, Iveren, Adhikari, Hari, Albrecht, Tomas, Altman, Jan, Amani, Christian, Aneseyee, Abreham B., Avitabile, Valerio, Banin, Lindsey, Batumike, Rodrigue, Bauters, Marijn, Beeckman, Hans, Begne, Serge K., Bennett, Amy C., Bitariho, Robert, Boeckx, Pascal, Bogaert, Jan, Bräuning, Achim, Bulonvu, Franklin, Burgess, Neil D., Calders, Kim, Chapman, Colin, Chapman, Hazel, Comiskey, James, de Haulleville, Thales, Decuyper, Mathieu, DeVries, Ben, Dolezal, Jiri, Droissart, Vincent, Ewango, Corneille, Feyera, Senbeta, Gebrekirstos, Aster, Gereau, Roy, Gilpin, Martin, Hakizimana, Dismas, Hall, Jefferson, Hamilton, Alan, Hardy, Olivier, Hart, Terese, Heiskanen, Janne, Hemp, Andreas, Herold, Martin, Hiltner, Ulrike, Horak, David, Kamdem, Marie-Noel, Kayijamahe, Charles, Kenfack, David, Kinyanjui, Mwangi J., Klein, Julia, Lisingo, Janvier, Lovett, Jon, Lung, Mark, Makana, Jean-Remy, Mahli, Yadvinder, Marshall, Andrew, Martin, Emanuel H., Mitchard, Edward T. A., Morel, Alexandra, Mukendi, John T., Muller, Tom, Nchu, Felix, Nyirambangutse, Brigitte, Okello, Joseph, Peh, Kelvin S.-H., Pellikka, Petri, Phillips, Oliver L., Plumptre, Andrew, Qie, Lan, Rovero, Francesco, Sainge, Moses N., Schmitt, Christine B., Sedlacek, Ondrej, Ngute, Alain S. K., Sheil, Douglas, Sheleme, Demisse, Simegne, Tibebu Y., Simo-Droissart, Murielle, Sonké, Bonaventure, Soromessa, Teshome, Sunderland, Terry, Svoboda, Miroslav, Taedoumg, Hermann, Taplin, James, Taylor, David, Thomas, Sean C., Timberlake, Jonathan, Tuagben, Darlington, Umunay, Peter, Uzabaho, Eustrate, Verbeeck, Hans, Vleminckx, Jason, Wallin, Göran, Wheeler, Charlotte, Willcock, Simon, Woods, John T., and Zibera, Etienne

Abstract

Tropical forests store 40–50 per cent of terrestrial vegetation carbon. However, spatial variations in aboveground live tree biomass carbon (AGC) stocks remain poorly understood, in particular in tropical montane forests. Owing to climatic and soil changes with increasing elevation, AGC stocks are lower in tropical montane forests compared with lowland forests. Here we assemble and analyse a dataset of structurally intact old-growth forests (AfriMont) spanning 44 montane sites in 12 African countries. We find that montane sites in the AfriMont plot network have a mean AGC stock of 149.4 megagrams of carbon per hectare (95% confidence interval 137.1–164.2), which is comparable to lowland forests in the African Tropical Rainforest Observation Network and about 70 per cent and 32 per cent higher than averages from plot networks in montane and lowland forests in the Neotropics, respectively. Notably, our results are two-thirds higher than the Intergovernmental Panel on Climate Change default values for these forests in Africa. We find that the low stem density and high abundance of large trees of African lowland forests is mirrored in the montane forests sampled. This carbon store is endangered: we estimate that 0.8 million hectares of old-growth African montane forest have been lost since 2000. We provide country-specific montane forest AGC stock estimates modelled from our plot network to help to guide forest conservation and reforestation interventions. Our findings highlight the need for conserving these biodiverse and carbon-rich ecosystems.

17. Culturally Appropriate EE in Rural Kenya: Model and Results.

Author

Lung, Mark

Abstract

We present a model for developing locally-relevant, culturally-appropriate environmental education materials for schools in a rainforest community in Kenya that weaves traditional knowledge of the rainforest with modern ecology. The materials are being made to integrate into existing national curricula. ..PAT.-Unpublished Manuscript [ABSTRACT FROM AUTHOR]

Published
2005

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