Jun 14
An article has just been published in the journal “Forest Ecology Management” about the direct and indirect effects of wild ungulates (roe deer, red deer and wild boar) on forest birds’ nesting failure. The study was conducted as part of a Master 2 internship by Amanda Cocquelet in connection with the COSTAUD research project (Contribution …
May 21
An article has just been published in the “Agricultural and Forest Meteorology” journal on how transmittance could be used to monitor tree leaf phenology and development for sessile oak (Quercus petraea). Perot, T., P. Balandier, C. Couteau, S. Perret, V. Seigner and N. Korboulewsky (2019). “Transmitted light as a tool to monitor tree leaf phenology …
Mar 21
During the thesis project of Laura Chevaux (Irstea Nogent-sur-Vernisson), new regeneration monitoring and bryophyte surveys will be carried out on the OPTMix system in 2019. Philippe Balandier and Anders Marell supervise the thesis, on the role of bryoflore in the network of forest interactions and the implications for the coexistence of woody species. The objective …
Mar 13
As part of the merger between INRA and Irstea, about forty people from INRA Orleans came to visit OPTMix plots on March 5, 2019.
Mar 13
As part of thesis project of Maxime Brière (thesis 2019-2021 supervised by Eric Dufrêne, UMR ESE), LAI estimates in oak mono-specific plots were carried out on February 12, 2019. The LAI of the plots was estimated with the needles method which consists in counting the number of fallen leaves of the year on the ground …
Mar 12
The annual meeting of the project took place on 8, 10 and 11 January, 2019 at Irstea Nogent-sur-Vernisson. These days were an opportunity to review the past year in terms of management and maintenance and also to discuss the scientific aspects: the scientific studies done and those planned and to discuss new experiments or new …
Mar 12
From 10 to 18th of December, 2018, pits have been dug in high tree density plots. The following operations were performed: a fine soil description, soil sampling in the different horizons, installation of sensors for the measurement of soil moisture, level of the water table and soil temperature.
Mar 12
An article has just been published in the “Plant science” journal on the water uptake depths of sessile oak and Scots pine growing in mixed stands during a severe drought. The data were collected in 2016 on the OPTMix plots. To determine the water uptake depths, isotopic signatures (oxygen) of wood and soil during the …
Dec 10
From December 10, 2018, pits will be dug in high tree density plots. These pits will allow a fine soil description, soil sampling in the different horizons and the installation of sensors for the measurement of the soil moisture, the level of the water table and the soil temperature. Pictures coming soon…
Nov 26
The OPTMix annual meeting will take place on January 8, 10 and 11, 2019 at Irstea Nogent-sur-Vernisson.
