Conservation of Middle Bank Marine Sanctuary

I AM writing in response to public concerns about Penang’s Middle Bank and the Jelutong landfill redevelopment, about which I was recently quoted by groups without being contacted.

I do not wish to be interviewed on this matter, as I prefer to state my views neutrally as a scientist. It is important that the public hears the origin story of this initiative based on facts and the shared hopes of those who have been involved since the beginning.

In a world where nature often takes a back seat to progress, the story of Middle Bank is a reminder that hope, persistence and unity can pave the way for a better future.

Nestled off the shores of Penang, Middle Bank (pic) is home to the last remaining natural seagrass meadow in the northern Straits of Malacca. This rare ecological treasure has played a vital role in supporting more than 400 species of marine biodiversity for decades, providing nursery grounds for juvenile fish, prawns and crabs. It also supports artisanal fisheries that have long sustained local communities.

The ecological services of this ecosystem go beyond biodiversity. Seagrasses trap sediment, stabilise the seabed and improve water clarity. During the 2004 Indian Ocean tsunami, the seagrass meadows here helped buffer Penang’s coast by reducing wave energy. Remarkably, the ecosystem began showing signs of recovery within just four months.

Middle Bank is not just a patch of seagrass; it is a living promise to future generations that Penang can develop with care, not just speed.

The journey to protect Middle Bank truly began in 1988 when the late Prof Datuk Dr Zulfigar Yasin and his team from Universiti Sains Malaysia started research in the area, including the nearby Pulau Gazumbo, a man-made island he affectionately named after a P. Ramlee film.

Over the years, the team recorded the richness of life here and envisioned something greater – a sanctuary not just for marine species but for future generations of Malaysians too.

Prof Zulfigar championed the idea of gazetting Middle Bank as a marine sanctuary. The idea gradually gained momentum with support from the Penang state government, Penang Institute, federal agencies, local authorities and, most importantly, the coastal communities that depend on these waters.

What makes this initiative exceptional is the spirit of collaboration behind it. Stakeholder engagements were not mere formalities; they shaped the sanctuary’s boundaries to respect both ecological needs and human livelihoods. For the first time, a conservation project in Malaysia garnered full support from all quarters.

Middle Bank is where science, community and hope come together – a reminder that conservation is not a barrier to progress but its compass.

Creating a sanctuary in an urban, rapidly developing coastal setting is no small feat. But if successful, Middle Bank would not only be the first urban marine sanctuary in Malaysia, it would also be the first of its kind in the region.

But time is of the essence. Recent observations during the 2023–2024 heat wave indicate a worrying decline in seagrass cover and signs of physiological stress.

Seagrass ecosystems have well-documented thresholds; prolonged temperature spikes or sedimentation events can tip them into irreversible collapse.

The seagrass meadows are showing signs of stress, and we may be approaching a point of no return. If we do not act soon, we risk losing not only a biodiversity hotspot but also the ecosystem services that protect our shores and food systems.

We must ask ourselves: Can conservation and development walk hand in hand? Can we act fast enough to protect what still remains?

Why not consider the Middle Bank as part of the solution – or perhaps the solution – in this urban setup?

The Middle Bank Marine Sanctuary initiative is more than a conservation effort – it is a symbol of what’s possible when science, policy and community come together. In the face of climate uncertainty and coastal development, it offers a rare glimpse of optimism, resilience and unity.

Let us not wait until it is too late. Let us choose to protect what protects us.

PROF DATUK DR AILEEN TAN SHAU HWAI

Centre for Marine and Coastal Studies

Universiti Sains Malaysia Penang