Discover Gers : Nature (Biodiversity / Fauna & Flora)

The Gers is proud of its "natural" image, with rolling hills, fields of sunflowers, corn or wheat of exceptional quality, trees quivering in the light breeze, and tumultuous streams after a storm. The wild character of certain parts of the department offers unexpected shelters to a fauna and a flora which develop there in all quietude. Hillsides, valleys, steep banks, placid lakes, pebble banks, groves and forests are all playgrounds for a wide variety of species to flourish. A land of wild orchids, oscillating between the red of poppies, the blue of flax and the yellow of pastels, the Gers invites you to a colorful celebration where the delicacy of life manifests itself in the bellowing of a deer, the joyful chirping of a woodlark, the flight of a light dragonfly or the creeping blossoming of a bristly broom. The Gers opens a window on a subtle universe to preserve and protect.

See the top 10 associated with this file: Faune & Flore

A diverse fauna

The association " Gascogne Nature Environnement ", labeled Permanent Center of Initiatives for the Environment, has given itself the mission to promote the natural heritage of the Gers region. For the last twenty years, it has been drawing up an inventory of the different species of wildlife observed in the Gers. From the unavoidable roe deer and wild boar to the extremely rare mountain avens, reptiles, amphibians, insects, birds and mammals are patiently listed. Wild rabbits, red foxes, badgers and voles are regularly reported. Weasels, polecats, garden shrews, shrews and otters are less frequent. The probability of encountering a mink, a weasel or an elapid deer remains minimal. Among the reptiles, the snake is king. Perfectly harmless, it should not be confused with the asp viper, almost extinct in gardens and undergrowth. The wall lizard and the western green lizard are abundant, while the spotted salamander, once common, is less and less observed. At night, green frogs, southern tree frogs and common spiny toads make their croaking sounds. Are they likely to disturb the European pond terrapin, their neighbor? This small freshwater turtle, which can measure up to 20 cm, is threatened with extinction in France. It is still in the Gers that you will have the best chances to observe it, by being discreet. It enjoys sunbathing, but jumps into the water at the slightest signal. It joins pikes, pike-perches, perches and eels which are very present in the Gers waters. The amateurs know how to flush out the crayfish. But it is necessary to know how to distinguish the white-clawed crayfish, which has become rare and is forbidden to fish, from the American crayfish which has replaced it. The kingfisher brings up gudgeon and bleak with its dives. Its companions near the water are the mallard and the common grebe. During the migration period, he meets the grey heron, the snipe or the kite, all of them adepts of the Lizet, Astarac or Peyrusse-Vieille lakes. The birds of prey fly over the fields in search of food. We can observe many common buzzards, more rarely hawks, booted eagles, hobo falcons or black kites. The large fields provide shelter or food for pheasants, quails, partridges, thrushes and warblers. The wooded areas are home to woodpeckers, jays, crows, swallows, woodcock and goshawks. Insects enjoy this rural paradise just as much. Butterflies such as the lythria purpuraria spread their colorful wings in late spring. Dragonflies and damselflies announce the summer near the water surfaces. Wasps and hornets, including the dreaded Asian hornet, invite themselves to the summer dinner table. Spiders weave their webs to catch gnats and mosquitoes in homes. Praying mantises perform their unique ballet on the edge of fields. The Gers has a beautiful diversity of animals for those who take the time to observe.

A teeming flora

Ten years ago, the Gers Botanical Association launched a census of the wild flora of the Gers. The aim is to compile an exhaustive list of all the flowers, grasses, trees, shrubs and ferns found in the department. By 2015, observers had counted 1,716 different species, including 16 nationally protected species. The taxa are listed scientifically, with their Latin and French names, illustrations and information on the fantastic www.tela-botanica.org website, an indispensable companion for budding and experienced botanists alike. In fact, if you make an interesting observation, you can report it to the Association botanique gersoise, so that they have a constantly updated list. You'll discover a wide variety of flora on your walks, the most emblematic of which is the orchid. Particularly present in the south of the department, with its more numerous dry calcareous moors, the wild orchid comes in 45 different varieties. It has its own fan club, who, driven by their love for this delicate flower, have compiled a Guide d'identification des orchidées du Gers. Some varieties are perfectly indigenous and were discovered somewhat by chance, such as posteriorchis sandrinii lasportensis, which means "Sandrine sat on the orchis". Differences in hygrometry, elevation and soil type enable a wide variety of flora to flourish. Where the soil is dry and chalky, as in Astarac, the flora takes on almost Mediterranean characteristics, with the presence of broad-leaved lavender or Montpellier carnation. The Simorre hillsides are home to spidery broom, as rare as it is sublime. Gorse and heather thrive on the western slopes of the department, while the oak woods are home to traveller's madder, eagle fern and white asphodel. The cultivated areas are also home to a number of rare species, such as Venus mirror, larkspur and French nigella. Forests on hillsides and plateaus are home to sessile and tauzin oaks, chestnut, privet and honeysuckle, while alders, ashes and white and ash willows reign in wetlands.

Nature in danger?

As everywhere else in France, biodiversity is threatened by intensive agriculture. The number of species, both animal and plant, is declining. Beekeepers are at the bedside of their bees, decimated by neonicotinoids and the Asian hornet. The voluntary or accidental importation of exotic species is greatly harming biodiversity. So much so that in 2015, the Midi-Pyrénées region launched a regional plan to improve knowledge of invasive alien plants such as mugwort, Himalayan balsam or Japanese knotweed. The aim is to limit the spread of these species, which can cause allergies and skin irritations, lead to livestock losses and profoundly transform landscapes.

Top 10: Faune & Flore

The gardens of the Gers

Wine garden or pleasure garden, arboretum, theme garden, medieval garden, social garden or sculpture garden... There is no lack of diversity. Some of them have even been awarded the "remarkable garden" label for the quality of their plants and their maintenance.

Palmeraie du Sarthou

You will discover different varieties of tropical plants, a collection of palm trees and rare exotic plants.

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Coursiana Gardens

More than 700 species of trees and shrubs from the five continents are spread over 6 hectares.

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Gardens of Flaran Abbey

Located in the abbey grounds, it is a medieval garden with aromatic and medicinal plants.

Jeanne's garden

Vegetable crops are grown alongside aromatic plants and climbing roses. (National award, Vegetable gardens in 2014)

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Allotment gardens of the Moulin de la Ribère

Created in 1998 for the residents of the Garros low-income neighbourhood, they are called "Solidarity Gardens".

The garden of Borde de Haut

Its owners, the Botta family of artists, created the magnificent giant sculptures that you can admire here.

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Garden of Entêoulet

This garden is large and beautiful. It has an important collection of perennials, roses and euphorbias.

Garden of the Grand Chêne

Stroll through this garden where thousands of plants and shrubs mingle with hundreds of fragrant old roses.

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Gardens of Aure

Located in the domain of the castle of Viella, it is a wine garden decorated with a playful course.

Hourre Park

Cascading pools, waterfalls and wooded areas make this park one of the most original gardens in the Gers.

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