The invasive lionfish (Pterois volitans and Pterois miles) started invading the Caribbean Sea since the 1980’s and were first sighted on the Saba Bank since 2009 where they established themselves fully during the following two years. They have no specific preference for prey species and their predation …

Sharks are ecological important inhabitants of most of the world’s oceans and seas. Still their life-history, which is dictated by slow growth rates and late maturity, makes most species, especially demersal- and coastal sharks, prone to exploitation through target- and nontarget fisheries. Another threat …

The species blonde ray (Raja brachyura) and thornback ray (Raja clavata) have been selected for the 2.1 InnoRays project, to get more insight about the status of these stocks in the Greater North Sea. Unstained and stained age determination methods were tested and LFQ data analysis are conducted for …

Improved remote sensing in the field of UAV (Unmanned Air Vehicle) and SFM (Structure From Motion) photography provides the potential for efficient access to forest inventory parameters. These parameters help identify the forest structure, calculate carbon stocks, support sustainable timber extraction …

Forests, both natural and planted, can provide multiple benefits to human society. The loss of these ecosystem services due to deforestation and forest degradation is of global concern and of particular importance to rural populations that rely on natural resources for their livelihoods. One of the (international) …

Due to the recent trend of fish stock decline in the Wadden Sea, conservation objectives on fish (Trilateral Fish Targets) have been set by the Wadden Sea Board, in a project called ‘Swimway Action Programme’. However, precise knowledge on the lifecycle of target fish species is largely missing, making …

This report is part of a collaborated study initiated by the SEnSOR programme to assess each of the compartments of aboveground carbon (AGC) stocks in fragmented lowland dipterocarp forests in Sabah. The biomass and carbon contents of living trees and coarse woody debris, lianas, fine woody debris (FWD) …

The number of primary rainforests in South-East Asia is in rapid decline since many formerly continuous forests become splintered as a result of human activities like mining, agriculture and silviculture. This study examined the effects of forest fragment size and logging on the tree carbon stocks and …

In dit rapport wordt onderzocht wat de bijdrage van houtstructuren is voor ecologisch herstel van de visstand in de Overijsselse Vecht. Er zijn 2 soorten houtstructuren te onderscheiden: beddingstructuren en oeverstructuren. Beddingstructuren worden in de watergang aangelegd, terwijl oeverstructuren …