December 6, 2019
I’m happy to announce that the Swiss Programme for Research on Global Issues for Development (r4d) has published my photo essay regarding our work in the mountains of Thừa Thiên-Huế province in central Vietnam. You can see it here:
https://www.k4d.ch/navigating-forest-changes-in-central-vietnam/
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Acacia, Conservation, Development, Political ecology, Research, Uncategorized, Vietnam |
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Posted by christiankull
August 17, 2018

Neo-Australian landscapes along RN11a in eastern Madagascar: Grevillea, Eucalyptus, Acacia…
Beyond the rice paddies, beyond the orchards of litchi, cloves, and coffee, beyond the rare patches of lemur inhabited natural forest, beyond the swidden fallows, a new landscape has appeared in lowland eastern Madagascar in the past half century. These ‘neo-Australian’ forests include four or five trees introduced from Australia that have, in many ways, become integral to regional lifeways: Read the rest of this entry »
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Acacia, Introduced and Invasive Plants, Madagascar, Research, Uncategorized |
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Posted by christiankull
September 19, 2017

Unrecognizable 20 years ago: Acacia plantations and new road in Nam Đông district, Thừa Thiên-Huế province.
The past week marked the launch of our new, Swiss government funded research project on the “forest transition” in Vietnam, which I’m leading in collaboration with colleagues Trần Nam Thắng and Ngô Trí Dũng of Huế University and Roland Cochard at Unil (see previous blog). The project aims to promote sustainable forest management and resilient rural livelihoods in the rapidly changing forest landscapes of this region.
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Acacia, Conservation, Development, Research, Smallholder farming, Sustainability, Vietnam | Tagged: agroforestry, forest transition, landscapes, plantation forests |
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Posted by christiankull
April 25, 2017
Forest in Vietnam can mean many things. There are the dense, dipterocarp rainforests that have divulged mammal species previously unknown to science, like the saola. There are also the vast plantations of exotic acacias growing wood for industry, as I detailed in a previous blog entry. And these forests have changed rapidly in the past few decades in step with the country’s economy and politics. The country is often seen to have undergone a “forest transition”, whereby a previous history of deforestation transitions to a new phase characterised by forest stability and indeed regrowth (albeit largely with exotic plantations). In a new research-for-development project (see PhD job ad here), we intend to investigate the exact nature of the forest transition and its feedback into sustainable development for the heavily peopled rural landscapes of Vietnam.

Acacia mangium, forest plantations, and natural rainforest in A Luoi district, Vietnam
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Acacia, Conservation, Development, Interdisciplinarity, Research, Vietnam |
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Posted by christiankull
October 17, 2016
Last month I gave the ceremonial first lecture of the academic year for our Faculty. The video is now online (see below). The presentation dips into a number of research projects I’ve contributed to in recent years in order to make a number of observations about the relationship between plants and people, notably with iconic ‘natural’ plants and problematic ‘invasive’ weeds. These observations include: Read the rest of this entry »
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Acacia, Conservation, Interdisciplinarity, Introduced and Invasive Plants, Sustainability, Uncategorized | Tagged: australian acacias, baobabs, biological invasions, invasive species, weeds |
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Posted by christiankull
September 26, 2015
Just rediscovered a scribbled note from a few days in the “brousse” of New Caledonia late last year. We visited landscapes pounded by grazing, from a 600 ha cattle station turned into a horse farm and gîte in the more wild, mountainous nickel mining country around Thio, to the yellow-grass cattle and goat ranches in the semi-arid rain shadow country of Boulouparis. In these places, I found myself in the company of a variety of familiar thorny and weedy plants like mimosa bush, lantana, and coffee bush. Different bouquets of the same suite of plants decorate pastoral landscapes I’ve encountered in Fiji, Vanuatu, Madagascar, Australia, Reunion… and probably many more places too.

The thorny bush Acacia (Vachellia) farnesiana on a cattle ranch near Boulouparis, New Caledonia
Seeing these ‘old friends’ reminded me of a simple message about biological invasions that does not get enough consideration: it’s not the plant’ fault. The plants themselves – or the plant species – do not really deserve the lables as invasives and weeds. It is us humans that need to be branded: they are there because of us, because of our land uses and Read the rest of this entry »
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Acacia, Introduced and Invasive Plants, Political ecology, Research |
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Posted by christiankull
September 27, 2014
Oil palm gets all the attention, but what about acacia? Oil palm has become synonymous with deforestation in Indonesia and resulting losses of orang-utan habitat, increased carbon emissions, and unhealthy smoke haze. But equally large areas of peatland are being converted to pulp and paper plantations of tropical salwood wattles like Acacia crassicarpa and A. magnum, trees that now cover many millions of hectares in South East Asia. In Riau province, Sumatra, the two big pulp mills (operated by Asia Pulp and Paper [APP] and Asia Pacific Resources International Ltd [APRIL]) have around 75 and 45 per cent (respectively) of their pulp plantations located on peatland. The ways in which such forestry concessions have been granted and implemented have inspired dramatic protests: 28 residents of the Meranti Islands in Riau Province stitched their lips shut while demonstrating in front of government buildings in Jakarta (Jakarta Post; Transparency Int.). Read the rest of this entry »
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Acacia, Conservation, Development, Political ecology, Research, Sustainability | Tagged: deforestation, forestry, Indonesia, peatland, protest |
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Posted by christiankull