Can the Loss of a rainforest Be Compensated For?

How deforestation can be stopped is a central theme at the ongoing UN Climate Conference (COP30), being held in the Amazon, to drive home the importance of rainforests in arresting climate change, according to Brazilian president Lula da Silva.

But it is importent to ask: where are these most critical ecosystems? A few satellite images can tell us how high and dense rainforest ecosystems are.

The Global Forest Canopy height tool, with 10m spatial resolution, tells us where the world’s densest and tallest (and often oldest) rainforests are located.

They are in Brazil’s Amazon rainforests, in africa’s congo basin, and in parts of Indonesia and Malaysia. In India, they are in the northeast, the Western Ghats and also the Andaman and Nicobar Islands.

The Andaman and Nicobar region has dense forests of canopy height of over 25 to 30m in many regions,similar to the Amazon. What does a 30m canopy height mean? According to a paper published by Nature Ecology and Evolution in Nature journal in 2023: “A high-resolution canopy height model of the Earth”,only 5% of the global landmass is covered by trees taller than 30 m and only 34% of these tall canopies are located within protected areas.

But satellite data has its own limitations. It gives a sense of what is at stake but tends to underrate canopy height and density of rainforests. The Nature study said that canopy height estimation with existing standard tools tends to struggle with the underestimation of tall canopies, as the height estimates saturate around 25 to 30m.This is a fairly severe limitation in regions dominated by tall canopies, such as tropical forests, and deteriorates downstream carbon stock estimation, because tall trees have especially high biomass.

According to Joice Nunes Ferreira, researcher at Embrapa Eastern Amazon, old-growth Amazonian forests are highly species-rich, with a great diversity of large trees and important environmental and structural heterogeneity. The height of trees in the Amazon can reach up to 60-80m and tree density is more than 500 stems per hectare.

In lowland rainforests, the canopy height can be in the 40-50m range and 30-40m in lower montane rainforest. HT had reported on October 6 that the density of trees in Great Nicobar may be far higher than understood.It is indeed between 500 to 800 trees per ha,of at least 30cm girth size or larger.

Rainforests are so dense that at times it’s arduous to see the open sky through the canopy, according to ecologists.

“Rainforests in general are almost identical/similar functionally: We have big trees, they have big leaves, most trees belong to a few species there and here, the total number of species is similar. There are also a lot of parallels despite their differences: They have lots of forest palms, we have fewer palms but compensate with climbing canes or/rattan; a lot of the Amazon floods for some time of the year; our rainforests don’t flood as much but a lot of Southeast Asian rainforests sit on perpetually boggy ground.”

Brazil’s New forest Fund and India’s Role

The Greater Nicobar Island (GNI) is home to a remarkable array of wildlife. Species like the Crab-eating Macaque, Nicobar Tree Shrew, Dugong, Nicobar megapode, Serpent Eagle, saltwater crocodile, marine turtles, and the Reticulated Python are either unique to the island or face significant threats.

On November 6th,Brazil launched the Tropical Forest Forever Facility (TFFF),a groundbreaking initiative.It aims to incentivize tropical forest conservation by providing annual payments to countries that protect their standing forests. This isn’t just about trees; it’s about recognizing the vital role these ecosystems play in sustaining life on Earth.

The launch garnered significant international support. Fifty-three countries – with and without rainforests – endorsed the TFFF, including major players like China, Canada, the UAE, Finland, the United Kingdom, Japan, Australia, Germany, and numerous nations across South America and Africa. Notably, India has not yet formally endorsed the scheme, currently participating only as an “observer.”

Currently, 34 tropical forest countries, representing over 90% of tropical forests in developing nations – including Indonesia, the Democratic Republic of Congo, and China – have signed the TFFF Declaration. This widespread support signals a growing global commitment to forest preservation.

The TFFF’s core principle is simple: assign a value to environmental preservation. Ecosystems like the Atlantic Forest, the Amazon, the Congo Basin, and the Mekong Basin aren’t just stunning; they are essential for the planet’s health.

However, the initiative isn’t without its critics. Some experts question whether the TFFF can truly reverse deforestation.Its reliance on private investors introduces vulnerability to financial market fluctuations.Unstable funding could hinder its ability to generate capital, especially if returns are perceived as risky.

A potential downside is that tropical forest countries could become overly reliant on TFFF funding. A shortfall in expected payments could then ironically contribute to increased deforestation. It’s a risk that needs careful consideration.

Despite these concerns, Brazil is optimistic about the TFFF’s potential. The country also views forest conservation as a central issue for COP30, the upcoming climate conference.

“After more than 30 years, after the Earth Summit in Rio, the Climate Convention comes back to the country where it was born. Today,the eyes of the world are now looking towards Belém with great expectation. For the first time in history, a climate COP will take place in the heart of the Amazon. In the global imagination,there is no higher symbol of the environmental cause than the Amazon forest,” stated Brazilian President Lula at the Belem Leaders’ Summit earlier this month.

He emphasized the importance of the Amazon’s vast network of rivers and the astounding biodiversity it harbors. It’s a powerful reminder of what’s at stake.