Issue 89 - October 2022

Seeking a Sustainable Trip to Europe? The Alentejo is One of the Most Sustainable Destinations in Europe for 2023

Sustainable travel is a word we are hearing a lot of these days. And, sustainable practices don’t just apply to the travel industry, they apply to all of us. We need to make smart choices, and not contribute to over tourism or factors that will have a negative impact on our planet. We all need to do our share. And by escaping the crowds we can make a real difference.

The UN Environment Program and UN World Tourism Organization define sustainable tourism as taking into “full account of its current and future economic, social and environmental impacts, addressing the needs of visitors, the industry, the environment and host communities.”

Sustainable travel starts with understanding the impacts of tourism, both bad and good. Then an effort by all of us to reduce negative impacts and focus on the positive ones.

Meet Portugal’s Alentejo, a place that remains sustainable being both rural and natural with thousands of miles of cork forest and a richness of wildlife. Here the balance between nature and humanity goes back millennia. It is a place with a clear harmony between nature and humanity — people and nature live in balance-in Montado cork forests that protect and are impervious to drought or fire. Here you can hike for hours and see no one. Here you can dine on locally harvested foods in small walled towns amid the locals, and no one else. Here you swim in an ocean cove, and nothing in view is built by humans. Here you see industries that conserve nature — from olive oil to cork to wines. And the only crowds are made of sheep, and the lines are the endless straight old road made for cycling.

This is the reason why the Alentejo was included as one of the 52 world destinations to visit by those who want to contribute to “a more sustainable planet” as chosen by The New York Times. The newspaper placed the Alentejo in one of the 52 Places for a Changed World, a list that highlighted destinations around the globe where travelers can be part of a solution. The article points to the sustainable wine movement in the region, where sheep help clear wine fields, and water is used sparingly.

52 Places for a Changed World: The 2022 list highlights places around the globe where travelers can be part of the solution.

a winery in winter — Vines in Winter in Alentejo, Portugal

The Wines of Alentejo Sustainability Program was established back in 2014 – the first such program of its kind in Portugal. It has grown to include more than 425 wineries, and almost 50% of all vineyard land. The “Sustainably Produced” moniker is awarded to wines that are balanced in their growth, and their taste. The New York Times put it this way: By prioritizing water conservation, with measures like developing cover crops for water retention and creating ponds to collect rainwater, the program has helped wineries reduce their average water consumption by 20 percent; some that were using 14 liters of water to produce 1 liter of wine have decreased their needs to 6 liters of water.

The Alentejo is one of Portugal’s innovative wine countries. There are eight sub-regions of Alentejo wine, including the enchanting towns of Évora, Moura, Portalegre, and Redondo. Different microclimates and the moderating coast influence led to a wide array of wines. And the grape varieties are almost all distinct to the Alentejo.

In the Alentejo wine has been cultivated for millennia, and you can experience its creation today and learn from local winemakers. During the grape harvest, running from late August into September, wineries offer a harvesting experience with grape stomping and cellar tours. The Alentejo Wine Route is the perfect way to find and experience new wines.

The Montados cork forests of the Alentejo surround wine country — and serve as refuge to rare species of plants and animals. The cork oak is the key to the Alentejo’s living landscape. Cork forests extend for miles and each tree plays a role in this balanced ecosystem. Their bark is harvested every nine years, and a cork tree can live for centuries. After the bark is harvested, the trees light up the day with their red hues, a sign of the only tree that has a renewable bark.

The azinheira oaks provide food for animals, which allows for the preservation of native species and the continued use of traditional herding techniques. The oaks are resistant to both drought and fire. And, the shade of the montados offers a unique place to sit back and enjoy the view of vineyards and olive groves.

Summer sunset over Marvao castle in Portugal

Cork Country has distinct seasons, with a green spring rich in wild flowers. In the early summer the sun turns the montado plains to gold. The winter is mild, but the open fields become bright yellow-green, and the shepherds dress in long capes to stay warm.

The Portuguese look at the Alentejo, with its own dialect, strong Arab flavors, white washed towns, and unique songs, as its own place. Flowing from the southern bank of the great River Tejo to the mountains of the northern Algarve, the Alentejo is bound by the Atlantic to the West, and Spain to the East. Its name means “Beyond the Tejo,” and it occupies more than 30% of Portugal, with a population of less than 600,000. It’s an hour’s train ride or drive from Lisbon. The Northeast is famed for its villages along the Castle Route: Nisa, Castelo de Vide, Marvão, Portalegre and Alter do Chão. Further south, the landscape becomes warmer and flatter. Around Évora we find the monumental towns of Monsaraz, Vila Viçosa, Estremoz, and Santiago.

Early morning mist in the ancient laurisilva forest at Fanal, Madeira, Portugal.

The Alentejo is home to a conserved Atlantic coastline, with miles of wild and secluded beaches carved into cliffs. The Sudoeste Alentejano e Costa Vicentina Nature Park covers more than 60 miles of protected seacoast, stretching from São Torpes near Sines to Cape São Vicente, Europe’s most south westerly point, in the Algarve the beaches are untouched with long swathes of sand framed by limestone cliffs. The clean Atlantic is viewed from well designed hiking and cycling trails that run the whole coast. This just one of many natural reserves. The Sado Estuary Nature Reserve features grassy sand dunes, tidal pools and many local species of fauna and flora. At the River Sado’s estuary there is a community of dolphins. Heading south along the Atlantic Coast, the crystal-blue waters and golden sand of the Lagoas de Santo André e da Sancha Nature Reserve host thousands of migrating birds take shelter here between seasons. The lagoons are separated from the Atlantic, and great for families. Across the region, along the border with Spain, the River Guadiana is wild, set between the olive groves of Serpa and the cork oaks of Mértola. Here you can explore the Vale do Guadiana Nature Park. Enjoy the beautiful landscape of hills and fields, and look for the hundreds of protected species like the black stork or the Iberian lynx. The Serra de São Mamede Nature Park is full of oaks, chestnuts, and olive trees with more than 800 species of plants. The walled village of Marvão, set atop a high mountain, provides a view of raptors soaring in the sky below.

Today, we don’t want to travel to create pollution, crowding or damage the natural environment with over tourism. It can hurt a local population by pushing up prices or creating unsustainable traffic, and pollute water and air. But with it cycling trails, hiking wonders, and ancient balance of nature that makes the montados of the Alentejo a sustainable, wonderful destination — not for all, perfect for those who care about tomorrow as well as today.

Atlantic Ocean shore in Alentejo, Portugal, under long exposure. There are epic rocks and blurred water on the image. Sunset time. Summer 2020.

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Issue 89 - October 2022

Seasonal Change in Antarctic Ice Sheet Movement Observed for The First Time

By The University of Cambridge

Some estimates of Antarctica’s total contribution to sea-level rise may be over- or underestimated, after researchers detected a previously unknown source of ice loss variability.

The researchers, from the University of Cambridge and Austrian engineering company ENVEO, identified distinct, seasonal movements in the flow of land-based ice draining into George VI Ice Shelf – a floating platform of ice roughly the size of Wales – on the Antarctic Peninsula.

Using imagery from the Copernicus/European Space Agency Sentinel-1 satellites, the researchers found that the glaciers feeding the ice shelf speed up by approximately 15% during the Antarctic summer. This is the first time that such seasonal cycles have been detected on land ice flowing into ice shelves in Antarctica. The results are reported in the journal The Cryosphere.

While it is not unusual for ice flow in Arctic and Alpine regions to speed up during summer, scientists had previously assumed that ice in Antarctica was not subject to the same seasonal movements, especially where it flows into large ice shelves and where temperatures are below freezing for most of the year.

This assumption was also, in part, fuelled by a lack of imagery collected over the icy continent in the past. “Unlike the Greenland Ice Sheet, where a high quantity of data has allowed us to understand how the ice moves from season to season and year to year, we haven’t had comparable data coverage to look for such changes over Antarctica until recently,” said Karla Boxall from Cambridge’s Scott Polar Research Institute (SPRI), the study’s first author.

“Observations of ice-speed change in the Antarctic Peninsula have typically been measured over successive years, so we’ve been missing a lot of the finer detail about how flow varies from month to month throughout the year,” said co-author Dr Frazer Christie, also from SPRI.

Prior to the detailed records of ice speed made possible by the Sentinel-1 satellites, scientists wanting to study short-term variations in Antarctic-wide ice flow had to rely on information collected by optical satellites such as NASA’s Landsat 8.

“Optical measurements can only observe the Earth’s surface on cloud-free days during summer months,” said co-author Dr Thomas Nagler, ENVEO’s CEO. “But by using Sentinel-1 radar imagery, we were able to discover seasonal ice-flow change thanks to the ability of these satellites to monitor year-round and in all-weather conditions.”

Currently, the causes of this seasonal change are uncertain. It could be caused by surface meltwater reaching the base of the ice and acting like a lubricant, as is the case in Arctic and Alpine regions, or it could be due to relatively warm ocean water melting the ice from below, thinning the floating ice and allowing upstream glaciers to move faster.

“These seasonal cycles could be due to either mechanism, or a mixture of the two,” said Christie. “Detailed ocean and surface measurements will be required to understand fully why this seasonal change is occurring.”

The results imply that similar seasonal variability may exist at other, more vulnerable sites in Antarctica, such as the Pine Island and Thwaites glaciers in West Antarctica. “If true, these seasonal signatures may be uncaptured in some measurements of Antarctic ice-mass loss, with potentially important implications for global sea-level rise estimates,” said Boxall.

“It’s the first time this seasonal signal has been found on the Antarctic Ice Sheet, so the questions it raises regarding the possible presence and causes of seasonality elsewhere in Antarctica are really interesting,” said co-author Professor Ian Willis, also from SPRI. “We look forward to taking a closer look at, and shedding light on, these important questions.”

The research was supported in part by the Natural Environment Research Council (NERC), part of UK Research & Innovation (UKRI), the Prince Albert II of Monaco Foundation and the European Space Agency. Karla Boxall is a PhD student at Newnham College, Cambridge. Frazer Christie is an Associate of Jesus College, Cambridge. Ian Willis is a Fellow of St Catharine’s College, Cambridge.

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Issue 89 - October 2022

SEVENSEAS Travel Magazine – October 2022 – Issue 89

Feature Destination

Feature Destination: Nature and Its Healing Power

South Korea has designated and operated national parks to preserve the natural ecosystems and natural and cultural wonders. As the designation requirements are demanding, the national park is an assorted gift set of healing benefits that allow visitors to enjoy natural ecosystems, natural landscapes, and cultural wonders at once. Read more…

Ocean Conservancy Plastic Pollution Experts to Attend South Korea for Seventh International Marine Debris Conference

A delegation of ocean plastic pollution experts from NGO Ocean Conservancy will be leading or presenting at more than 15 events at the upcoming 7th International Marine Debris Conference (7IMDC), the world’s longest-running international conference dedicated to the issue of marine litter and plastic pollution. Read more…

Feature Destination: In the Yellow Sea, a Shining Example of Marine Protection

It has been more than 20 years since South Korea and China began a novel partnership to restore and protect the shallow body of salt water that lies between them: the Yellow Sea, a semi-enclosed marine area bracketed by the Chinese mainland and the Korean peninsula. Read more…

Newsroom

Seeking a Sustainable Trip to Europe? The Alentejo is One of the Most Sustainable Destinations in Europe for 2023

Dinosaur-Killing Asteroid Triggered Global Tsunami That Scoured Seafloor Thousands of Miles from Impact Site

The miles-wide asteroid that struck Earth 66 million years ago wiped out nearly all the dinosaurs and roughly three-quarters of the planet’s plant and animal species. It also triggered a monstrous tsunami with mile-high waves that scoured the ocean floor thousands of miles from the impact site. Read more…

Tougher Measures Urgently Needed From The International Maritime Organisation To Curb Plastic Pellet Pollution

A new report by international wildlife conservation charity, Fauna & Flora International (FFI), highlights the disastrous impact of plastic pellet pollution on marine wildlife and calls for a more robust, regulatory approach from industry. Read more…

Madagascar Whale Shark Project Unveils New Project to Empower Conservationists to Protect The Ocean

The Madagascar Whale Shark Project is announcing a new way for ocean lovers to support its efforts to protect endangered whale sharks. The project has launched a donation-based Patreon page to enable followers to support its vital work through a monthly subscription. Read more…

‘Hydrogen Road Map’: The Lightest Element Can Play a Heavy-Duty Role in Michigan’s Clean-Energy Transition

Hydrogen, the most abundant and lightest element in the universe, can play a significant role in accelerating Michigan’s clean-energy transition away from fossil fuels in the coming decades, according to a new report released today by the University of Michigan and the Michigan Economic Development Corporation. Read more…

SAWFISH NEWS: Respect-Release-Report: Guidelines for Interactions with Endangered Sawfish in the United States

Sawfish are majestic marine animals that were once found in coastal waters of the United States from Texas to North Carolina. Unfortunately, decades of mortality in fisheries and the loss of important nursery habitats led to dramatic reductions in both their numbers and range. Read more…

Coral Reef Protection To Grow With The Green Fins Hub

Sustainable marine tourism is receiving a major boost with the launch of the Green Fins Hub, a global digital platform for diving and snorkelling operators worldwide. The industry-backed digital platform is expected. Read more….

Science Without Borders® Challenge Announcement for 2023

The Khaled bin Sultan Living Oceans Foundation is excited to announce that our Science Without Borders® Challenge is now open! This annual art contest inspires students from all over the world to be creative while learning about important ocean science and conservation issues. More info…

Second Historic Canoe Recovered from Wisconsin’s Lake Mendota

Wisconsin Historical Society maritime archaeologists, alongside partners from Wisconsin’s Native Nations, recovered a 3,000-year-old dugout canoe from Lake Mendota in Madison today, less than one year after their recovery of a 1,200-year-old canoe that drew international attention in November 2021. Read more…

Navigating the Environmental Impact of Eco-Tourism

Eco-tourism is an environmentally-friendly way to travel the world and see incredible sights. Usually, it involves visiting ecologically-sensitive areas that need protection from tourists and travelers. Read more…

The Team of Biologists from The University of Vienna Discovers The Old Genes Keep Sea Anemones Forever Young

Nematostella vectensis, 6 mm. SERC, Rhode River, Edgewater, Ann Arundel County, MD

The genetic fingerprint of the sea anemone Nematostella vectensis shows that the members of this evolutionarily very old animal phylum use the same gene cascades for the differentiation of neuronal cell types as more complex organisms. Read more…

Seasonal Change in Antarctic Ice Sheet Movement Observed for The First Time

Some estimates of Antarctica’s total contribution to sea-level rise may be over- or underestimated, after researchers detected a previously unknown source of ice loss variability. Read more…

SEVENSEAS Beach Cleanups

In August 2022 CleanUp, we picked up over 80 kilogram of plastic, pieces of glasses, tractor tyre, and fishing nets from the beach in Krabi, Long Beach or Pan Beach. Of course, we would not be able to do it without your support. You can make a tax-deductible donation here to keep our publications and Thailand Cleanup Project afloat.

You can either make a direct financial contribution to SEVENSEAS Media through The Ocean Foundation website or connect us with potential donors by sending an email to Giacomo Abrusci, our Editor-in-Chief.

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Since 2004, SEVENSEAS Media has fostered an informal and non-partisan platform to promote understanding of key issues and challenges while building partnerships across an increasingly diverse group of marine conservation professionals and students.

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Feature Destination

Feature Destination: In the Yellow Sea, a Shining Example of Marine Protection

The Yellow Sea’s amber-tinged waters and coastlines teem with 1,600 different species of fauna – from dugongs and sea turtles to flounders and rockfish. The land around the sea also teems with humanity. More than 600 million people, or 10 percent of the global population, live on or near its shores and rely on its health for food and income.

A generation ago, it became increasingly clear that the rapid economic development of the surrounding region was placing a heavy strain on this fragile and valuable environment.

Over-fishing and pollution from industry, agriculture, and housing had depleted fish stocks, while many of the region’s tidal mudflats, key feeding grounds for migratory birds, had been lost to coastal reclamation. Biodiversity was also threatened by invasive species and ecosystem changes such as algal blooms and nutrient contamination.

To counterbalance these threats, the governments of China and the Republic of Korea began working with the Global Environment Facility and UN Development Programme (UNDP) in the mid-1990s to lay plans for the Yellow Sea Large Marine Ecosystem Project (YSLME).

A new report published by the YSLME project and available through the GEF’s International Waters knowledge-sharing platform IW:Learn details the array of innovative solutions introduced since the start of the Yellow Sea Large Marine Ecosystem project.

These have included the ranching of key marine species for reintroduction, government-led schemes to buy back fishing vessels and lessen pressure on stocks, enhanced monitoring of pollutants, and curbs on coastal reclamation and commercial fishing.

Harvesting kelp in Dongchu Village. Photo credit: Yitao Zhang

These initiatives have benefited the region in many ways: restoring marine forests around the picturesque island of Jeju to stem the spread of barren ground near the coast, helping to protect the tiny and critically endangered spoon-billed sandpiper, and encouraging cooperation with other countries to preserve the habitat of the spotted seal, one of the region’s flagship species.

The first phase of the project initially focused on helping the countries conduct a Transboundary Diagnostic Analysis (TDA) of the Yellow Sea to pinpoint the most pressing environmental perils and their immediate and root causes.

This analysis formed the technical basis for the bilateral talks between China and the Republic of Korea that led up to the preparation and ministerial adoption of an initial Strategic Action Programme. Approved by both countries in 2009, the Programme set out pledges from the partners to take steps to reduce environmental pressures, such as fishing limits, improved management of sea and coastal areas, and pollution reduction targets.

A second phase of the project began in 2014 and closed in 2021. This phase resulted in the preparation of a new YSLME Strategic Action Programme for 2020-2030 and an updated TDA to guide and inform efforts.

A critical part of the initiative was the sharing of successes, challenges, and lessons, so other regions could learn from the marine restoration efforts of China and the Republic of Korea.

“Thanks to the results, experience and lessons from the Yellow Sea Large Marine Ecosystem Project, countries around the world are better equipped to put in place good practices on sustainable fisheries and aquaculture that can protect the ocean’s health and propel sustainable blue development,” said GEF CEO and Chairperson Carlos Manuel Rodriguez. “It is a shining example of what can be achieved through cooperation on shared marine resources.”

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