266 search results for “soil” in the Public website
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Quantifying the need of phosphorus of smallholder farms in tropical regions
Smallholder farms in tropical regions can double their crop production by 2030 compared to 2015, a study finds to which José Mogollón (Institute of Environmental Sciences) contributed. But to achieve this, the farmers must increase the input of phosphorus beyond what is currently foreseen. The study…
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New database reveals plants' secret relationships with fungi
Leiden researchers have compiled information collected by scientists over the past 120 years into a database of plant-fungal interactions. This important biological data is now freely available for researchers and nature conservationists. Publication in New Phytologist.
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Dominican Republic
To what extent is the image of the Taino settlements on Hispaniola representative for the whole island, or is it only related to a few large settlements of known caciques?
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Tracing human mobility across the Caribbean
What are the patterns and processes of human mobility in the pre-colonial circum-Caribbean as revealed by burial populations and what are the underlying motives and socio-cultural principles on both micro- and macro-scales?
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New map of the Netherlands shows where nitrogen reduction will be most effective
By reforming agriculture in targeted areas, we can protect the Natura 2000 areas much more effectively. This is what Jan Willem Erisman of Leiden University and Ton Brouwer of Gispoint consultancy write in a new report. They have created a special, nitrogen map of the Netherlands that shows the areas…
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Report: Tracking down green spaces in The Hague in places you don't always want to be
Although there is considerable evidence that nature in the city is beneficial to both people and animals, we still do not have an overall picture of those benefits. To rectify that, a Leiden PhD candidate and a student – armed with a cargo bike – are using The Hague as a life-size laboratory.
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New insights into the production of antibiotics by bacteria
Bacteria use antibiotics as a weapon and even produce more antibiotics if there are competing strains nearby. This is a fundamental insight that can help find new antibiotics. Leiden scientists Daniel Rozen and Gilles van Wezel published their research results in the authoritative Proceedings of the…
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'A garden on Mars' crowdfunding campaign starts today
Today, 13 students at Leiden University have started a crowdfunding campaign to collect money for research into the possibilities of growing crops on Mars. Their research will contribute to the knowledge of our galaxy. The project is in the context of the iGEM competition.
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Four Leiden researchers awarded Rubicon grants
Four promising young researchers will be able to conduct two years of research at a university abroad thanks to a Rubicon grant from the Dutch Research Council (NWO). The Leiden laureates are Renske Janssen, Girija Josh, Anne van der Meij and Yana van der Weegen.
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Eleven Vidi grants for Leiden
NWO has awarded eleven Leiden researchers a Vidi grant of 800,000 euros. The research subjects range from Cicero and muscle dystrophy to the archaeology of bogs.
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Water and Society Lab
How do societies move forward with sustainable, effective and efficient management of Earth's water resources?
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How to set ambitious goals for sustainable agriculture
Food production in the Netherlands is an economic success but has led to many environmental issues, including nitrogen pollution. Recently, the policy to allow economic growth while reducing nitrogen losses was disapproved by the highest court in the Netherlands, casting the country into a nitrogen…
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iGEM team Leiden 2016
Using E. coli bacteria to convert a toxic compound in the soil on Mars into oxygen to make life on the planet possible. A team of thirteen Leiden students are taking part in the annual iGEM competition with an entry based on this idea. iGEM is an international competition for students where they use…
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Altruism in bacteria: colonies divide the work
Bacteria found in soil specialise in the colony by division of labour. Some of the bacteria produce antibiotics, even when it comes at the expense of their individual reproduction success, to defend their colony against competitors. Publication in Science Advances.
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New antibiotic named after Leiden
Increasing resistance and a lack of new antibiotics are a serious problem for public health. Against this background, Gilles van Wezel of the Institute of Biology Leiden is looking for new medicines. Together with former PhD student Changsheng Wu and colleagues he discovered the special antibiotic lugdunomycin,…
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Vidi grants for eight researchers from Leiden University
Eight scientists from Leiden University have been awarded a grant by the Dutch Research Council (NWO). With this Vidi funding, the researchers can set up an innovative line of research and further expand their own research group over the next five years.
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A compound that gives life as easily as it takes: Jan Willem Erisman on BBC about ammonium nitrate
Following the Beirut explosion, BBC's podcast series The Foodchain explores the chemical that caused the blast: ammonium nitrate. A compound that is widely used to produce fertilizer. Professor of Environmental sustaibability Jan Willem Erisman tells about the effects of nitrogen on the environment.
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Research at the Living Lab
What is the effect of pesticides, fertilizers or plastic on water quality? And how do wind and rain affect the data? These are just some of the things that Leiden environmental scientists study in the 32 ditches of the Living Lab.
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Aesernia Colonial Landscape Project (Molise)
The Aesernia Colonial Landscape project investigates ancient settlement patterns and dynamics around modern Isernia in Molise (Italy), the Latin colony of Aesernia (founded 263 BC). It consists of intensive systematic field survey in the territory of the colony, combined with remote sensing and geoprospection…
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Ecology of the Ethiopian wolf in a changing landscape: Human carnivore interactions in Afroalpine ecosystems of Ethiopia
Do Ethiopian wolves change their diet and foraging strategy in the landscape under different land uses? How land use affect Afro-alpine rodent Communities? How important are Afro-alpine natural resources utilisation for local livelihoods? What is the human perception of conflict in the Afro-alpine a…
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Minors
The minors offered by the Faculty of Governance and Global Affairs in The Hague are closely linked to the defining image of The Hague as a city of international justice, peace and security as well as the centre of Dutch public administration and international governance.
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Military legitimacy during the Cold War: The Dutch army and its criticasters
Subproject of
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20th century changes in the Dutch flora
Description of 20th century changes in the Dutch flora: Description and interpretation (1999 - 2005)
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Chainet - European network on chain analysis for environmental decision support
Analytical tools for environmental design and management in a systems perspective. The combined use of analytical tools.
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Udhruh Archaeological Project
The hinterland of important centres like Petra (Southern Jordan) can provide essential information that contribute to the understanding of their rise, expansion and decline.
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Invaluable bees and nature’s other services
We depend on nature for so many things: from clean water, wood and food to carbon absorption, water purification and coastal protection, as well as for relaxation, inspiration and identity. Nevertheless, our modern world putting increasing pressure on these ecosystem services. Leiden researchers investigate…
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Spatial patterns in landscape archaeology
This PhD project develops and applies a GIS procedure to use legacy survey data in settlement pattern analysis. As part of the research by the LERC project (NWO, Leiden University, KNIR), legacy data produced by surveys in central and southern Italy are examined in a comparative framework to investigate…
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Call for Applications: MINESCAPES: Socio-natural Landscapes of Extraction and Knowledge in the Middle Ages and the Early Modern Period
MINESCAPES invites PhD students from various disciplines to apply for participation in their 2024 summer school, taking place from May 31 to June 10, 2024. The Summer School will bring together students and scholars from the humanities, social sciences, and natural sciences to study mining landscapes…
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Green miner: new plant species mines metal
A plant that takes metal from the ground all by itself: a natural way to mine or to clean the soil. PhD student Roderick Bouman (Hortus Botanicus Leiden) described a new plant species from Sabah, Borneo, which can be used to extract nickel. In an open access article in Botanical studies, he and the…
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Netherlands Veganland: a good idea? These are the outcomes of the thought experiment!
Less meat and dairy means more space for nature, leisure, climate, biodiversity, more justice, and it's good news for the economy. That's according to the thought experiment conducted by Strootman Landscape Architects and Leiden environmental scientists. They presented their findings on 11 April.
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Food Autonomy Festival
On the first weekend of June a plot of land in Lutkemeerpolder, West Amsterdam, was occupied in order to host the Food Autonomy Festival. The event was organized in solidarity with local farms to protest against the development of Schiphol airport-oriented business park. Two of our PhD's, Maria Vasile…
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Dirk Bouwmeester and Corinne Hofman receive NWO Spinoza Prize
On 9 September, in the presence of King Willem Alexander, Secretary of State Sander Dekker presented the Spinoza Prize to four researchers, including two researchers from Leiden: archaeologist Corinne Hofman and physicist Dirk Bouwmeester. In the Nieuwe Kerk in The Hague, they unveiled their plans for…
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New measuring method reveals: more plastic ón than ín your salad
It's now possible to measure how many plastic particles there are in our food. Chinese scientists and Leiden professor Willie Peijnenburg applied their new method to lettuce and wheat. Their results were published January 20 in Nature Nanotechnology.
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2012 Nanodiamonds and wildfire provide no support for meteorite impact at the end of the last Ice Age
Nanodiamonds and charcoal in Dutch soil provide no evidence for the alleged impact of a meteorite at the end of the last Ice Age. This is the conclusion of a research done by Utrecht University in collaboration with Leiden University and the University of Groningen.
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Land van Ons and Leiden University start cooperation in peat meadow area in Oud Ade
Land van Ons, a cooperation that buys agricultural land for the restoration of biodiversity and landscape, and Leiden University join forces. Together, they will investigate over a longer period of time which agricultural management leads to the best restoration of biodiversity. The research will start…
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EAC Council of Ministers give green light for Democratic Republic of the Congo accession
On November 22 in Arusha, Tanzania, the Council of Ministers of the East African Community (EASC) endorsed the Democratic Republic of Congo (DRC) as its seventh Partner State.
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EAC Council of Ministers give green light for Democratic Republic of the Congo accession
On November 22 in Arusha, Tanzania, the Council of Ministers of the East African Community (EASC) endorsed the Democratic Republic of Congo (DRC) as its seventh Partner State. This meeting, chaired by Kenya’s EAC Affairs and Regional Development Cabinet Secretary Adan Mohamed, represents one of the…
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Field seminar 'Time Intercultural' in Mexico
The Mesoamerican research group 'Time in Intercultural Context: the indigenous calendars of Mexico and Guatemala' funded by the ERC and directed by prof. dr. Maarten Jansen, met up in Mexico from the 13th until the 23rd of February for a field seminar in the states of Tlaxcala and Hidalgo.
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Save the date! MAKING MATTERS Symposium 2020: Collective Material Practices in Critical Times
Join us at the second edition of the Making Matters symposium, which will take place on Friday 20 and Saturday 21 November 2020 at Het Nieuwe Instituut in Rotterdam and online.
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Arthur Ram receives NWO grant to improve enzyme factory
This year, microbiologist Arthur Ram will start new research on producing useful enzymes in bulk. Ram receives an NWO grant for this project that will find its applications in the industrial biotechnology and food industry.
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Final presentations Area Study Sustainability: Wheels of Metals
Friday 30 January 2015 were the final presentations of the last course of the Minor Sustainable Development.
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SewerSense: automatic measuring within the sewer system
Scientists of Leiden University and Technical University Delft are going to predict how and where defects in sewer systems arise. They are working with light sensitive camera’s, based on new automated multi-sensor inspection with stereo vision and laser range scanning. Their models are going to process…
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The Ra's al-jinz project (Oman)
The Ra’s al-jinz project tackles economic diversification and social complexity in non-urban societies, from the perspective of Eastern Arabia, by exploring the Early Bronze Age settlement of Ra’s al-jinz RJ-3.
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Effects of glufosinate-ammonium on off crop vegetation
Description of Effects of glufosinate-ammonium on off crop vegetation.
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Postcolonial Displacements: Migration, Narratives and Place-making
Postcolonial Displacements explores the multiple ways in which migration in South Asia contributes to the imagining, questioning, subverting and reframing of territories, nations and communities. The project focuses on the contested fringes of the politically divided South Asian subcontinent, across…
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Teaching
Research projects for students of the University of Leiden and other Dutch Universities are often available at the MacBio group. The research lines are also described in the Research section. For details of specific projects contact the supervisor (Ubbink, Dame, Boyle, Jeuken or Wentink).
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Golden medal for project ELECTRACE
A team of students from Leiden University, TU Delft and Rotterdam University won a golden medal during the International Genetically Engineered Machine competition (iGEM) in November in Boston. Their project ELECTRACE concerned a bacterium that can be used to search for landmines.
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New dimension to coral research
For the first time, international researchers have mapped the network of bacteria on coral reefs. They write about it in Nature Communications (9 April). Professor by special appointment Nicole de Voogd (Naturalis Biodiversity Center & Institute of Environmental Sciences) and two of her PhD students…
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Data4Food Challenge
Join the Data4Food Challenge (11 - 13 September) and drive innovation to change the way we feed the world!
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The quest for more antibiotics
Streptomycetes are similar to moulds, but these bacteria live in the soil. They are very popular in biotechnology because they produce a great many antibiotics and enzymes. Gilles van Wezel will be using his Vici subsidy to study ways of increasing their production.