鈥淏aixian, baixian! Look, there鈥檚 a beautiful baixian!鈥� I exclaimed as I saw a rare bird bimbling on a rocky mountain road flanked by dense forests on one side and valley brooks on the other.

The bird, with long and white feathers on its back and a black plume on its belly, cast a calm glance at us as we slowly drove downhill. With an easy gait, it walked toward a sloping forest, together with two other birds, which looked olive in color.

I was sitting next to the driver, so I had a clear view. Thrilled by the encounter with three rare birds, my wife and two friends sitting in the back seats of our minivan stretched their necks for a better view. They burst with joy when they caught a glimpse of the 鈥渢rio鈥� tootling along, unstirred by a carload of strangers.

It occurred to me that the rare birds must have believed they were rambling on their home turf.

High-altitude tea mountains

Our happy encounter with baixian, or silver pheasants, happened on the afternoon of November 3, when we left our brookside inn in Masu, a pristine village at the heart of Wuyishan National Park, Fujian Province. Wuyishan means Mount Wuyi. My subsequent researches show silver pheasants are strictly protected wild animals. Male pheasants have white feather with thin and dark streaks, while female ones are generally olive, with varying streaks on their bellies.

We had stayed in the village for three nights and four days, exploring high-altitude tea mountains where the world鈥檚 black tea originated. There I saw for the first time many 300-year-old tea trees, whose trunks were covered with moss that exuded a lingering cool fragrance.

I found, also for the first time, that antique tea trees grew among a vast variety of plants ranging from bushes to bamboos and pines. Without a local guide, I would have found it difficult to differentiate a tea tree from a sea of surrounding shrubs.

The rich diversity of plant species, in which old tea trees find themselves, is a key character of a high-altitude tea mountain. In contrast, tea gardens on low-lying hills or plains usually feature well-tended tea trees only.

On the tea mountains in Masu, which are about 1,000-1,500 meters above sea level, no pesticide or chemical fertilizer is used. All the plants, including tea trees, grow naturally in the wild, absorbing the best from the elements.

鈥淔rost is a natural pest-killer,鈥� said Zhang Minqing, a senior tea expert, as we stood by a cluster of 300-year-old tea trees on a mountain slope about 1,000 meters above sea level. He and his elder brother Zhang Biqing are now the sixth-generation tea growers. Their ancestors came to cultivate tea mountains more than 300 years ago.

Zhang Minqing and I enjoy a common interest, we both like the simple beauty of biodiversity on a tea mountain. As we looked down into the remote valley, we saw a myriad of green and yellow leaves waving or wafting in autumn wind. The whole scene looked like a masterpiece of oil painting.

鈥淢asu is the 鈥楽hangri-la鈥� of Mount Wuyi,鈥� Zhang Biqing wrote in his book 鈥淢asu in My Eyes.鈥� He is an expert in tea science and an inheritor of a special intangible culture 鈥� the making of black tea. He said the rich diversity of plant species in Masu and nearby villages had attracted European researchers as early as in 1699. Even British poet Lord Byron (1788-1824) wrote favorably about black tea from Mount Wuyi, Zhang noted.

As tea lovers, we came to Masu mainly to study old, uncontaminated tea trees. The first day we arrived there, however, we realized the village was a haven not just for tea connoisseurs, but also for wildlife.

Silver pheasants are one of more than 7,000 kinds of wild animals found in Wuyishan National Park, which spans 1,280 square kilometers.

One night in Masu, I heard a strange sound from a forest near our inn. I could not tell what it was. The next morning, a fellow traveler who lived next door told me he had also heard the same strange sound in the wee hours, but could not make it out, either. We went to consult some local people, who said it must have been the howl of a muntjac deer, a rare animal. Worldwide, some types of muntjac deer are classified as critically endangered species.

I have been to many tea gardens on low-lying hills, where tea plants usually predominate over the landscape. They look beautiful, but an overgrowth of one particular type of plant at the expense of many others runs counter to biodiversity. As a result, pesticides are often used because tea pests lack natural enemies that grow on other plants.

Rachel Carson (1907-1964), an American writer and ecologist, wrote in her best-selling book 鈥淪ilent Spring鈥� that insect problems arose with the intensification of agriculture 鈥� the devotion of immense acreages to a single crop. She said single-crop farming 鈥渦ndoes the built-in checks and balances by which nature holds the species within bounds.鈥� A mixed growth of various plants, then, allows different insect pests to check each other, thus obviating the need for chemical pesticide or fertilizer.

If Carson were still alive and came to Masu, she might have been able to discover more 鈥渆vidential support鈥� from Eastern ecological wisdom for her conclusions.

A unique biosphere

Mount Wuyi owes its natural biodiversity to scientific management as well as its geographic advantage. Its unique danxia landforms which help conserve subtropical evergreen forests have been well protected over the past few decades. Danxia refers to rugged landscapes developed on continental red terrigenous sedimentary beds.

UNESCO inscribed Mount Wuyi on its World Heritage List in 1999: 鈥淢ount Wuyi is one of the most outstanding subtropical forests in the world. It is the largest, most representative example of a largely intact forest encompassing the diversity of the Chinese Subtropical Forest and the South Chinese Rainforest, with high plant diversity. It acts as a refuge for a large number of ancient, relict plant species, many of them endemic to China and rare elsewhere in the country. It also has an outstanding faunal diversity, especially with respect to its reptile, amphibian and insect species.鈥�

UNESCO also noted that Mount Wuyi has a long history of management as a protected area.

鈥淚t has had strict protective status since 1979, prior to which provincial and central governments had issued protective edicts over the area for more than 1,000 years,鈥� UNESCO noticed on its official website.

Mount Wuyi鈥檚 management got a shot in the arm last year when the national park was created. It became one of China鈥檚 first batch of five national parks established toward the end of last year. A national park system helps better protect wild flora and fauna by breaking administrative barriers across different regions.

In Masu, I had a deeper understanding of why Chinese President Xi Jinping said 鈥渓ucid waters and lush mountains are invaluable assets.鈥� Invaluable indeed were the silent moments I experienced every night in Masu, as I tasted fragrant tea made from antique trees while listening to sporadic wildlife sounds from near and far, which sometimes wafted with soft drizzles.

Better biodiversity, better life. In many ways, lucid waters and lush mountains bring about more happiness than a linear accumulation of material wealth. Yes, tea farmers鈥� life in Masu is much simpler than that of many urban dwellers, but I would not hesitate to trade my mundane hustle and bustle for the loveliness of spirit that goes with a rustic life in the midst of a rich biodiversity.

In a sense, to know how a tea mountain is protected in Wuyishan National Park is to know how China will boost biodiversity in its effort to modernize.

Come to Masu, and feel for yourself how our modern life is made better, not by wanton material pursuits, but by unreserved respect for bioreserves.