Contribute Geolocation Data
Help us add geographic metadata to scientific works!
The works listed below have been harvested from various scientific sources but do not have geolocation data yet. If you know the geographic location or area mentioned in any of these works, you can help us improve our database.
Know a publication that should be in OPTIMAP? Enter its DOI and we will fetch its metadata from Crossref and enrich it automatically. If we already have it, you will be taken to its page.
Please log in to add works by DOI — use the user menu at the top right of the page.
Showing 52951 to 53000 of 59105 works
Effects of Dichrostachys cinerea (l.) Wight & Arn (Fabaceae) on herbaceous species in a semi-arid rangeland in Zimbabwe
Anthropogenic alteration of an environment and other disturbance regimes may enable the expansion of some native species into new geographical areas, a phenomenon observed with Di…
Why do some institutional arrangements succeed? Voluntary protection of forest biodiversity in Southwestern Finland and…
Despite global, regional, and national policy efforts, biodiversity is on the decline worldwide. The purpose of this paper is to explore the critically important institutional and…
An index of forest management intensity based on assessment of harvested tree volume, tree species composition and dead…
Forest management intensity often affects biodiversity, ecosystem processes and ecosystem services. To assess the influence of past management intensity on current ecosystem prope…
The need for an integrated biodiversity policy support process – Building the European contribution to a global Biodive…
Biodiversity is threatened on a global scale and the losses are ongoing. In order to stop further losses and maintain important ecosystem services, programmes have been put into p…
Land-use changes, farm management and the decline of butterflies associated with semi-natural grasslands in southern Sw…
Currently, we are experiencing biodiversity loss on different spatial scales. One of the best studied taxonomic groups in decline is the butterflies. Here, we review evidence for …
The geodynamic and limnological evolution of Balkan Lake Ohrid, possibly the oldest extant lake in Europe
Studies of the upper 447 m of the DEEP site sediment succession from central Lake Ohrid, Balkan Peninsula, North Macedonia and Albania provided important insights into the regiona…
Emerging issues and challenges in conservation of biodiversity in the rangelands of Tanzania
Tanzania rangelands are a stronghold for biodiversity harbouring a variety of animal and plant species of economic, ecological and socio-cultural importance. Efforts to protect th…
Generation length for mammals
Generation length (GL) is defined as the average age of parents of the current cohort, reflecting the turnover rate of breeding individuals in a population. GL is a fundamental pi…
Potential impact of sea level rise on French islands worldwide
Although sea level rise is one of the most certain consequences of global warming, yet it remains one of the least studied. Several studies strongly suggested that sea level rise …
Effectiveness of the Natura 2000 network to cover threatened species
The world‘s biodiversity is currently in rapid decline - Europe being no exception - with as principal cause a human-mediated global change. The Natura 2000 network is an importan…
Ingenieurgeologisches 3D-Modell der Stadt Göttingen - Vom geologischen zum Parametermodell
Dieser Beitrag erweitert die, in Fritz, J. (2007) vorgestellten Arbeiten im Rahmen eines Kooperationsprojektes zwischen dem Niedersächsischen Landesamt für Bergbau, Energie und Ge…
Protected Areas legislation and the conservation of the Colombian Orinoco Basin natural ecosystems
Colombia has shown a strong commitment to the achievement of the CBD´s biodiversity target, by promoting the conservation of at least 10% of its natural ecosystems. Protected Area…
Antarctic macrobenthic communities: A compilation of circumpolar information
Comprehensive information on Antarctic macrobenthic community structure has been publicly available since the 1960s. It stems from trawl, dredge, grab, and corer samples as well a…
“Mind the gap!” – How well does Natura 2000 cover species of European interest?
Setting aside protected areas is widely recognized as one of the most effective measures to prevent species from extinction. Accordingly, there has been a tremendous effort by gov…
National responsibilities for conserving habitats – a freely scalable method
Conservation of habitats is a major approach in the implementation of biodiversity conservation strategies. Because of limited resources and competing interests not all habitats c…
Preserving species populations in the boreal zone in a changing climate: contrasting trends of bird species groups in a…
A protected area network should ensure the maintenance of biodiversity. Because of climate change, species ranges are expected to move polewards, causing further demand for the pr…
Bird-monitoring in Europe – a first overview of practices, motivations and aims
Biodiversity monitoring is central to conservation biology, allowing the evaluation of the conservation status of species or the assessment of mechanisms of biodiversity change. B…
Global Change Projections for Taiwan Island Birds: Linking Current and Future Distributions
The earth is warming rapidly. Species around the world must adapt to the increasing heat and to the rapid rate of temperature change. Decision makers and managers must aid species…
Biodiversity conservation across scales: lessons from a science–policy dialogue
One of the core challenges of biodiversity conservation is to better understand the interconnectedness and interactions of scales in ecological and governance processes. These int…
Strain Localisation, Fracturing and Hydrothermal Mineralisation: Numerical Models of the Mount Isa Copper Deposit, Aust…
There is substantial need in mineral exploration to understand the structural controls on ore deposition for these types of deposits in order to predict the localities of new ones…
Dos and Don’ts for butterflies of the Habitats Directive of the European Union
Twenty-nine butterfly species are listed on the Annexes of the Habitats Directive. To assist everyone who wants or needs to take action for one of these species, we compiled an ov…
Road effects on habitat richness of the Greek Natura 2000 network
The road network has both positive and negative ecological effects, and understanding these helps identify environmentally preferable solutions for transportation policy and plann…
Genealogy of nature conservation: a political perspective
Modern nature conservation is a product of post-Enlightenment modernity; I explore the heterogeneity of its conceptual and ideological background. The 19th century legacy comprise…
Eddy Kinetic Energy in the Arctic Ocean From a Global Simulation With a 1-km Arctic
Simulating Arctic Ocean mesoscale eddies in ocean circulation models presents a great challenge because of their small size. This study employs an unstructured-mesh ocean-sea ice …
Building the European Union’s Natura 2000 network
In the second half of the 20th Century there was a growing awareness of environmental problems, including the loss of species and habitats, resulting in many national and internat…
Nature Conservation – a new dimension in Open Access publishing bridging science and application
This Editorial presents the focus, scope and policies of the inaugural issue of Nature Conservation, a new open access, peer-reviewed journal bridging natural sciences, social sci…
Habitat transformation reshapes diversity and community structure of amphibians and reptiles in the Eastern Andes
Land-use change is a major driver of biodiversity loss in tropical montane ecosystems, yet its effects on herpetofaunal community structure remain insufficiently understood at loc…
Estimation of age structure and growth curve of Aquarana catesbeiana (Anura, Ranidae) in the Republic of Korea
The American bullfrog (Aquarana catesbeiana) is widely recognized as an invasive species with various harmful ecological impacts. Comprehensive population-specific information is …
The influence of the pre- and post-natal environment on Tokay gecko (Gekko gecko, Squamata, Gekkonidae) development in …
In captivity, reptiles often experience unnatural incubation and rearing conditions due to limited nest site choices, which can negatively impact individual development and welfar…
Taxonomic revision of the horned frog Proceratophrys boiei (Wied-Neuwied, 1824) (Amphibia, Anura, Odontophrynidae) with…
Proceratophrys boiei is a horned frog species that lives camouflaged within leaf litter and inhabits both Atlantic Forest environments and transitional areas with the Cerrado of B…
Impact of flex power on GPS Block IIF differential code biases
GPS Block IIF satellites are able to redistribute the transmit power between the signal components. This ability is called flex power, and it has been developed as a remedy agains…
Description of a morphologically distinct and phylogenetically divergent new species of the leopard gecko in the genus …
Eublepharis, an Asian-endemic genus of leopard geckos, represents the third largest genus within the family Eublepharidae. India harbors six recognized species in the genus Eublep…
Genetic diversity and structure analysis of critically endangered Goniurosaurus yingdeensis (Squamata, Eublepharidae) b…
The Yingde Leopard Gecko (Goniurosaurus yingdeensis) is a critically endangered reptile restricted to a narrow-fragmented karst region in China. Investigating the role of terrestr…
Die Faltenzone Radewiese-Briesnig im Tagebau Jänschwalde (Südbrandenburg) – eine warthezeitliche Eisrandlage?
[…] Der Beitrag untersucht markante glaziäre Deformationen, die im Braunkohlentagebau Jänschwalde in Südbrandenburg aufgeschlossen sind. Im Fokus steht die Faltenzone Radewiese-Br…
On the presence of the sessilid peritrich Apiosoma in the oro-pharynx of Lissotriton vulgaris (Urodela, Vertebrata)
We report on a population of smooth newts (Lissotriton vulgaris) from the vicinity of Jena (Germany), in which we detected the presence of sessile peritrich ciliates of the genus …
The identity of Proteus tritonius Laurenti, 1768: comments on a really doubtful case of literary interpretation
Proteus tritonius Laurenti, 1768 has long been regarded as the larva of Triton alpestris Laurenti, 1768. It is the type species of Ichthyosaura Sonnini & Latreille, 1801, the olde…
Six new non-native turtles in Portugal: A growing threat apart from the Red-Eared slider and Chinese stripe-necked turt…
We report the first records of non-native freshwater turtles in Portugal, highlighting the growing diversity of species introduced in addition to the known Trachemys scripta and M…
Sand, stone, and Tropiocolotes: Diversity and distribution of dwarf geckos in Saudi Arabia
The genus Tropiocolotes comprises small geckos distributed across the Saharo–Arabian biogeographic realm, yet the taxonomy and distribution of several species, particularly those …
Revisiting the snakes of Bangladesh: a systematic review of species diversity and distribution patterns
Bangladesh is a country of rich biodiversity, including herpetofauna, across diverse ecosystems. This study reviews snake diversity and distribution patterns in Bangladesh, identi…
Effect of iron and nanolites on Raman spectra of volcanic glasses: A reassessment of existing strategies to estimate th…
The effect of iron content and iron nanolites on Raman spectra of hydrous geologically-relevant glasses is presented. Current procedures to estimate the water content using Raman …
Early amphibian colonizers of man-made mini-ponds: first results of a citizen science experiment
The loss of suitable spawning habitats is a global threat to amphibians. Thus, establishing man-made ponds may serve as a successful conservation practice to counteract this threa…
Sporadic nesting events of loggerhead sea turtles Caretta caretta along the Greek coasts of the Ionian Sea
Sporadic nesting events (i.e., any evidence of nesting or attempted nesting) of loggerhead sea turtles Caretta caretta, outside of the systematically monitored nesting areas, were…
Ecological niches and climate-driven range shifts in Hemorrhois snakes: implications for biogeography
Understanding the factors shaping species distributions is essential for predicting their responses to environmental change. The genus Hemorrhois (horseshoe whip snakes) comprises…
A 130 km westward range extension of Montivipera xanthina (Serpentes, Viperidae) in mainland Greece
The Ottoman viper (Montivipera xanthina) was previously known to occur only as far west as the Rodopi Prefecture, Greece. Here, we report a newly discovered population in the Dram…
Die Produktion von mobility
Institut für Geographische Wissenschaften, Freie Universität Berlin
New distribution data of the Mosor rock lizard (Dinarolacerta mosorensis): a review of its range and conservation status
The Mosor rock lizard, Dinarolacerta mosorensis (Kolombatović, 1886), is an understudied lacertid species. It is geographically isolated within the Dinaric Alps and is categorized…
How to help
If you recognize any works that reference specific geographic locations, please login, confirm your account, and contribute metadata.
In case you find any errors in other metadata fields, if you see a work with incorrect location or time information, or if you find works that should be included in our database, please contact us: