Marcel Huijser Photography Home
This is where I show the most recent images and talk about how they were made. The images typically relate to landscapes and wildlife, but I also blog about photos of highways and mitigation measures for wildlife or road ecology in general. Please contact me if you would like to use any of the images.
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Researchers at work: Fernando Bechara and Marcel Huijser provide excursion
Researchers at work: Fernando Bechara and Marcel Huijser address the participants of an excursion.
This was an excursion in association with the biennial conference of the Society for Ecological Restoration (SER). For this excursion we visited the abandoned dirt road Estrada do Colono (- Settler's Road-), Parque Nacional do Iguaçu, Brazil. This dirt road used to cut across the national park and threatened the ecological integrity and connectivity of the park. The road had illegal settlements and deforestation and poaching associated with it. The road was closed in 1986, but locals started using the road again illegally between 1997 and 2001. In 2001 the road was declared formally closed again, and the illegal settlers were removed. Since then the road has been abandoned. Grass-herb vegetation, shrubs and trees now grow on the old road bed. Note that the roadbed it self was not removed. The substrate is compacted, and the ditches are still present on either side. This leads to shallow root depth, a delayed and different path for the succession, unstable rooting for mature trees, and disturbed hydrology (sheet flow). However, roadbed removal, de-compaction of the soil, and removal of ditches at this time would probably cause more damage than it is worth.
Click here to view more images of Colono's road.
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Great kiskadee (Pitangus sulphuratus), São Paulo, Brazil
Great kiskadee (Pitangus sulphuratus), São Paulo, Brazil
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Scale-throated hermit (Phaethornis eurynome), São Paulo, Brazil
Scale-throated hermit (Phaethornis eurynome), São Paulo, Brazil
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Road ecology blog: Wildlife warning sign and reduced speed limit, Argentina
Road ecology blog: Wildlife warning sign and reduced speed limit to 50 km per hour on dirt road, Iguazu falls, Iguazu National Park, Misiones, Argentina
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Female blue dacnis or turquoise honeycreeper (Dacnis cayana) female, São Paulo, Brazil
Female blue dacnis or turquoise honeycreeper (Dacnis cayana) female, São Paulo, Brazil
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Wildlife warning sign for jaguar, Iguazu falls, Iguazu National Park, Misiones, Argentina
Wildlife warning sign and reduced speed limit for jaguar, Iguazu falls, Iguazu National Park, Misiones, Argentina
Click here for other images of other wildlife or livestock warning signs.
Click here for other images of animals that were killed by cars.
Click here for other images of animals alive on or near roads.
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Male blue dacnis or turquoise honeycreeper (Dacnis cayana) male, São Paulo, Brazil
Male blue dacnis or turquoise honeycreeper (Dacnis cayana) male, São Paulo, Brazil
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Road ecology blog: Wildlife overpass, Misiones, Argentina
Road ecology blog: Wildlife overpass, Ruta 101, Misiones, Argentina.
There are no fences associated with this overpass that was constructed in 2008. It was built at a road cut in a ridge. This means that there are some steep and rocky slopes that may be a barrier to some animal species and that can help funnel wildlife to the overpass. However, the steep slopes cover only a few dozen meters, suggesting that they do not substantially reduce road mortality. Wildlife use can be high though for crossing structures, regardless of the length of a potential fence. On top of the overpass a "pathway" has been constructed to encourage wildlife use. Cameras have recorded a variety of species on the overpass, including: six-banded armadillo (Euphractus sexcinctus), white-eared opossum (Didelphis albiventris), Azara's agouti (Dasyprocta azarae), southern tamandua (Tamandua tetradactyla), South American coati, or ring-tailed coati (Nasua nasua), jaguarundi (Puma yagouaroundi), ocelot (Leopardus pardalis), crab-eating fox (Cerdocyon thous), lesser grison (Galictis cuja), crab-eating raccoon (Procyon cancrivorus), pygmy brocket (Mazama nana), and red brocket (Mazama americana).
For other images of wildlife overpasses (wildlife only) click here.
For images of multifunctional wildlife overpasses (wildlife, water, humans, non-motorized vehicles, motorized vehicles) click here.
For images of landscape bridges, road tunnels or very wide overpasses over longer road sections click here.
Click here for images of multifunctional underpasses.
Click here for images of wildlife underpasses.
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Maroon-bellied parakeet (Pyrrhura frontalis), São Paulo, Brazil
Maroon-bellied parakeet (Pyrrhura frontalis), São Paulo, Brazil
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Road ecology blog: Wildlife overpass, Ruta 101, Misiones, Argentina
Road ecology blog: Wildlife overpass, Ruta 101, Misiones, Argentina
For other images of wildlife overpasses (wildlife only) click here.
For images of multifunctional wildlife overpasses (wildlife, water, humans, non-motorized vehicles, motorized vehicles) click here.
For images of landscape bridges, road tunnels or very wide overpasses over longer road sections click here.
Click here for images of multifunctional underpasses.
Click here for images of wildlife underpasses.
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Bananaquit (Coereba flaveola), São Paulo, Brazil
Bananaquit (Coereba flaveola), São Paulo, Brazil
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Violet-capped woodnymph (Thalurania glaucopis), São Paulo, Brazil
Violet-capped woodnymph (Thalurania glaucopis), São Paulo, Brazil
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You looking at me?
Saffron toucanet (Pteroglossus bailloni), São Paulo, Brazil. Near threatened (IUCN, 2017)
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Portrait of saffron toucanet (Pteroglossus bailloni), São Paulo, Brazil
Saffron toucanet (Pteroglossus bailloni), São Paulo, Brazil. Near threatened (IUCN, 2017)
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Saffron toucanet (Pteroglossus bailloni), São Paulo, Brazil. Near threatened (IUCN, 2017)
Saffron toucanet (Pteroglossus bailloni), São Paulo, Brazil. Near threatened (IUCN, 2017)
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