Forest restoration
We have continued to fence-off areas around the forest reserve and are experimenting with active regeneration by planting seedlings from our tree nursery. To this end, Augustine Ntim is using his silvicultural training to good effect.
In the last reporting period Augustine had grown over 6000 seedlings of forest tree species in the nursery. Of these, 11 species (4726 individuals) have been planted (with help from the TSF patrollers and NMFP staff and students) into fenced off grassland bordering the forest:
Polyscius fulva 2000; Santiria trimera 800; Carapa oreophyla 550; Sterculia setigera 300; Cordia millenii 8; Syzygium guiniense 70; Pouteria altissima 350; Isolona deightoni 180; Trilepisium madagascariense 78; Entada abyssinica 80; HMC500 Unknown 300; In addition many cuttings of Ficus species have been planted in order to fill in grassland.
Augustine measured the height of 75 representative transplants from across all species and intends to check their growth annually. On average the seedlings were 30 cm high when transplanted.
The conservation impacts of 5 years of such plantings is beginning to show. More birds are visiting the area, there is more vegetation cover and tree seedlings are naturally regenerating. We now observe duiker and bush buck from the field station balcony- hitherto a very rare event.
One problem has been the increase in grass-cutter rats which eat the base of saplings.
A 2012 IT student, Prince Peter Umeh from TSU, under the supervision of Dr Umar and the NMFP, has completed his project aimed at understanding the effects of fencing off grassland on species composition. His report titled The speed of recovery of a grazed montane forest reserve at Ngel Nyaki, Taraba State is available online.
This report documents the difference in species composition, increase in ground cover and height of vegetarian in the grazed versus ungrazed grassland.
This dry season we shall establish permanent plots in the fenced off areas for long-term quantitative monitoring of vegetative change. This will supplement our permanent photo points which have been established since 2005.
Biodiversity studies
We are working with Dr Martin Cheek, Dr Xander der Burgt and Iain Darbyshire, of the Royal Botanic Gardens, Kew to have our collections of over 4000 herbarium specimens named.
To bring all plant species in this geographic area to the attention of the rest of the world, Matt Walters, in collaboration with Dr Pieter Pelser, is leading a project to develop an online plant checklist. Using our internet facility we are able to share images between the field station and UC for identification. The project links named plant species/genera to photos taken at Ngel Nyaki. Already over 950 identified plant images are available free online at PhytoImages (phytoimages.siu.edu), a web based database of plant images. Field assistant Idriss Musa is dedicated to this task and is in regular contact with Matt.
Our checklist is growing.
A wider biodiversity checklist is in progress and includes birds, which are going to be linked to a bird equivalent of PhytoImages. Dragonflies, amphibians, freshwater invertebrates etc are also included. This checklist will be an ongoing project using field assistants, citizen science and our Facebook group: www.facebook.com/groups/4829132147.
Weather data
Our fully automated weather station from the Low Carbon High Growth grant from the British High Commission, Abuja, and logistic support from DHL is working well. The high tech weather station links with internet.
After a recent meeting with the Federal Forestry in Abuja it was agreed that the weather data be sent to the Ministry where it will be used in creating climate change maps for Nigeria. In addition there are plans underway to use the data on the Taraba State TV weather updates.
Taraba State University IT student Aminu Musa is working with Professor Bayobel from Modibbo Adama University of Technology, Yola to analyze the weather data recorded at the research station over the past five years.