Mound-building termites, found in Africa, India, Australia, and South America, are remarkable creatures that build large, towering structures that support diverse life forms in African ecosystems. These termites, which can live for up to 30 years, have a relatively short lifespan of about 1-2 years, but their survival rate is impressive. They build large nests housing an entire colony of up to several million individuals, feeding on dead and decaying plant material such as leaf litter, soil, and wood.
Termite mounds, termitaria, are created by fungus-growing termites (Macrotermes natalensis) and are found in Asia, Australia, Africa, and South America. The mounds sometimes have a diameter of 30 meters (98 ft), and most of them are in well-drained areas. The “living space” beneath each mound covers approximately 50 square meters. Regardless of the size of the termite mound, the society of millions of termites that live in these mounds is composed of millions of termites living underground.
Calcareous termite mounds offer a mechanism to sequester CO2 through dissolution and leaching of soil carbonate-bicarbonate to groundwater. Inhabited termite mounds along the Buffels River in Namaqualand, South Africa, are an astounding 34, 000 years old, according to a new study.
Termite mounds are not only beneficial for agriculture, wildlife, and conservation but also serve as oases of moisture and plant life. They create tunnels and conduits deep inside the mounds, which serve as a mechanism to sequester CO2 through the dissolution and leaching of soil carbonate-bicarbonate to groundwater. Overall, the unique characteristics of termite mounds make them a valuable resource for various ecosystems, including agriculture, wildlife, and conservation.
Article | Description | Site |
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Mound-building termites | These termites live in Africa, Australia and South America. The mounds sometimes have a diameter of 30 metres (98 ft). Most of the mounds are in well-drained … | en.wikipedia.org |
Termites Mounds in Africa | Termite mounds may reach four metres in height above ground – while their “living space” beneath each mound covers approximately 50 square metres! | wildernessdestinations.com |
The Foraging Tunnel System of the Namibian Desert … | by WR Tschinkel · 2010 · Cited by 38 — Many termites do not build mounds that show above ground, but construct entirely subterranean nests, with tunnels to the surface. The African harvester termite … | pmc.ncbi.nlm.nih.gov |
📹 How Termites Evolved to Build Massive Mounds
In the amazing world of animal architecture, termites can build huge mounds. These insect cities can be found in the savannahs of …
Where Do Termites Live In Africa?
In the drylands of Africa, South America, and Asia, mound-building termites construct substantial structures from soil, saliva, and dung to store nutrients and moisture, facilitating water penetration in the soil. These termites inhabit regions in Africa, Australia, and South America, with some mounds reaching diameters of 30 meters (98 ft) in well-drained areas. Notably, these mounds can outlast the colonies themselves. Termites, primarily wood-eaters, are significant decomposers of wood and plant material, but they can cause severe damage to wooden structures, leading to human conflict.
Mound-building termites thrive globally, except in Antarctica, with approximately 2, 600 species recognized. The fungus-growing termite represents the most common species in southern Africa, residing in temperature-regulated nests characterized by their unique architectural mounds. These termites are essential to various ecosystems and support numerous life forms. Additionally, in many African cultures, termites are a vital protein source and consumed either raw or cooked, especially the alates.
Notably, termite colonies can exist underground near various landscapes, forming large nests or termitaria, distinctive red-brown structures that can reach 9 meters (30 ft) above ground. Some inhabited mounds along the Buffels River in Namaqualand, South Africa, are estimated to be around 34, 000 years old, signifying the long-term ecological impact of these remarkable insects. Exploring African termites reveals their role in shaping unique environments, such as the Okavango Delta, through their intricate mound-building activities.
How Many Termites Are In A Termite Hill?
Formosan termites are a species of subterranean termites known for creating the largest nests of any termite in the U. S. They can form colonies with millions of termites, making them the most damaging species. Another group, mound-building termites, constructs nests from soil, saliva, and dung, predominantly found in regions like Africa, Australia, and South America, often achieving mounds with a diameter of 30 meters (98 feet). As of now, about 2, 972 termite species are classified, with 2, 105 in the family Termitidae, part of the infraorder Isoptera within the order Blattodea.
Researchers are intrigued by how these centimeter-sized insects can construct complex, long-lasting structures without leaders, leading to the development of the Termite-hill algorithm to explore their behavior in problem-solving.
In Canada, the most common termite is the eastern subterranean termite, widespread across the country, followed by the western variety. Termite hills or mounds serve as intricate nests, originating from soil, saliva, and excrement, often reaching heights of up to 10 meters. They provide shelter against predators and maintain a warm, humid environment essential for termite survival, with workers spending the majority of their time in underground galleries.
Formosan termite colonies can host between 350, 000 to 2 million workers, and their longevity can extend to 50 years, making them particularly destructive. Intriguingly, termite mounds support rich ecosystems by replenishing soil nutrients and fostering biodiversity, while termites remain social insects that can cause structural damage in homes. Early intervention in termite infestations is critical to mitigate potential damage.
How Many Termites Live In A Single African Mound?
Les mounds construits par les termites les protègent des éléments naturels et des prédateurs. Les plus grands mounds d'Afrique peuvent atteindre 9 mètres de haut et 24 mètres de large, abritant des millions à des dizaines de millions de termites. Ces termites africains, connus pour leurs grandes constructions, utilisent de l'argile et du sable pour créer des habitats pouvant atteindre 3 mètres de hauteur. Ils participent à une forme primitive d’agriculture en cultivant des champignons.
Des données ont été collectées sur des variables abiotiques tels que le pH du sol et des variables biotiques comme la richesse en plantes. Les termites bâtisseurs vivent en Afrique, en Inde, en Australie et en Amérique du Sud. Sur les 3 000 espèces de termites connues, peu sont nuisibles aux humains. Les populations indigènes d'Afrique ont reconnu que le sol des mounds est plus riche que celui des sols normaux, ce qui favorise la culture. Ces termites, plus proches des cafards que des fourmis, vivent en colonies avec des rôles distincts comme les travailleurs aveugles, qui cherchent de la nourriture et entretiennent le nid.
Les grandes termitières, appelées termitaria, sont construites par des termites cultivant des champignons, comme Macrotermes natalensis. D'anciennes termitières en Afrique du Sud, le long de la rivière Buffels, ont été datées à 34 000 ans. En Afrique, un grand nombre d’espèces de termites reste à décrire et les études écologiques de la faune termite sont rares. Les termites vivent souvent dans des nids souterrains, avec des tunnels jusqu'à la surface. Plus de 165 espèces de termites ont été identifiées en Afrique du Sud, révélant une biodiversité importante.
Are Termite Mounds Endangered?
Termite mounds, enduring structures in African and global ecosystems, are increasingly threatened by human activities such as habitat destruction, land-use changes, and climate change. These mounds play a crucial role in maintaining ecological balance by supporting diverse life forms and influencing plant functional traits. In Australia, out of 250 recognized termite species, many are essential to local ecology, dispelling the notion that all termites are harmful to homeowners.
Research has shown that differences in environmental conditions across Asia, Australia, Africa, and South America lead to distinct mound morphologies. A recent study in Environmental Entomology highlights the architectural complexity of termite mounds and emphasizes the need for future research to explore their impact on dryland savanna systems and ways to support their persistence. Termites have been constructing carbon-rich mounds for 34, 000 years, which help sequester carbon dioxide, thereby mitigating climate change. However, as global temperatures rise, termites may expand their range southwards, potentially accelerating carbon emissions, according to a study published in Science.
Termite mounds also serve as protective nests for vulnerable colonies, safeguarding them from predators and environmental fluctuations. Contrary to concerns, a theoretical study supported by field data from Kenya indicates that termite mounds do not signal desertification but instead buffer ecosystems against climate extremes. The shape of termite mounds is closely linked to their regulatory functions and local environmental conditions.
In regions like Namaqualand, South Africa, termite mounds, some 34, 000 years old and spanning up to 30 meters in diameter, persist long after their colonies have died, becoming biodiversity hotspots. Similarly, in Paraguay and Cambodian rice fields, mounds enhance landscape biodiversity and provide significant ecological benefits. Despite not being at risk themselves, termite mounds face threats from climate change and increased droughts, necessitating conservation efforts to protect these vital biodiversity oases.
What Are African Termite Mounds?
In this article, we explore the fascinating world of African termite mounds, highlighting their construction, ecological significance, and the insights they provide. These mounds, formed by countless termites collaborating within a colony, consist of soil, termite saliva, and dung, reaching diameters of up to 30 meters. They often represent the only elevation for kilometers across grasslands, showcasing nature's incredible power and life’s interconnectedness.
Notably, researchers in South Africa have identified some of the oldest known active termite mounds, dating back 34, 000 years, found along the Buffels River in Namaqualand, challenging prior notions of prehistoric life and carbon storage.
Termite mounds are vital to the ecosystem, acting as nutrient hotspots that stabilize tropical grasslands and savannas. Known locally as heuweltjies, meaning "little hills" in Afrikaans, they contain intricate networks of tunnels and nests. These structures can reach heights of 10 feet and may take several years to construct, continually being built upon for centuries by industrious termites.
Moreover, termite mounds play a crucial role in preventing desertification in semi-arid regions. Through their engineering skills, these insects contribute to the ecological balance, enabling various animal and plant life to thrive. While often overlooked, the impressive mounds constructed by termites serve significant functions, from increasing biodiversity to sequestering carbon in the soil. The astounding engineering capabilities of termites reveal the intricate and essential roles they play in the ecosystems they inhabit.
How Big Is The Average Termite Colony?
En los EE. UU., una colonia de termitas subterráneas típicamente contiene entre 60, 000 y 1 millón de termitas. El tamaño de una colonia de termitas puede variar desde dos termitas (un rey y una reina) hasta más de un millón. Las colonias maduras pueden albergar entre 60, 000 y 1 millón de termitas, dependiendo del tipo. En un año, una colonia puede tener alrededor de 400 miembros, aunque este rango puede oscilar entre 51 y 984.
Las colonias de termitas de madera seca son más pequeñas, variando de unos pocos cientos a unos pocos miles (menos de 5, 000) y tardan aproximadamente siete años en alcanzar este tamaño. Su tamaño promedio es de alrededor de 500, 000 insectos.
Las termitas, que tienen una estructura social organizada, se dividen en diferentes castas: inmaduros, soldados, trabajadores, reproductores y ninfas. Las termitas de madera seca viven dentro de la madera y no en contacto con el suelo, mientras que las subterráneas se construyen en el suelo y pueden alcanzar hasta 2 millones de miembros. La supervivencia de las termitas es notable, ya que han colonizado casi todos los continentes excepto la Antártida.
Determinar con precisión el tamaño de una colonia de termitas es un desafío, pero se estima que, a partir de 3 a 5 años, una colonia subterránea nativa madura puede tener unos 250, 000 trabajadores y comienza a producir enjambres. El promedio de una colonia es de aproximadamente 500, 000 insectos.
Respecto a su aspecto, el tamaño de una termita trabajadora varía de 4 a 10 mm, mientras que los soldados son un poco más grandes, alcanzando entre 6 y 12 mm. La reina puede medir entre 4 y 6 pulgadas, siendo considerablemente más grande que los trabajadores. En un paisaje suburbano promedio, puede haber hasta 25 colonias de termitas por acre. Las colonias siguen creciendo cada año, alcanzando grandes tamaños durante su ciclo de vida.
How Many Types Of Termites Are There In Africa?
Groups of African termites consist of four main varieties: workers who produce food and maintain the nest; soldiers who defend it; the queen, responsible for laying eggs; and the king, who mates with the queen. Each termite colony may contain over a million members, all offspring of the queen. There are about 2, 600 described termite species worldwide within 280 genera, with approximately 39 species found in Africa. Understanding termite identification is crucial for assessing their distribution and climate change impacts.
Notably, taxonomists have found that less than 10 of all species could be reliably identified from West African samples. Various termite species are consumed as food in Africa, with literature listing 48 species, including M. bellicosus from 13 countries. Harvester termites thrive in tropical and subtropical regions and are prevalent in South Africa, excluding the Western Cape. The biodiversity of termites is particularly well documented in southern Africa, with 50 known genera.
In Kruger National Park alone, there are 28 genera. More than 1, 000 termite species in Africa play significant roles in environmental health, such as maintaining soil yields and rehabilitating degraded soil. Our study identified 40 termite species across West Africa's savannah and forest ecosystems. African termites belong to five distinct families: Termitidae, Rhinotermitidae, Hodotermitidae, Termopsidae, and Kalotermitidae, with 1, 000 species within nine living families. Notably, the Termitidae family contains eight sub-families, including Macrotermitinae, which features fungus-growing termites like Macrotermes natalensis. In South Africa, Neotermes spp., Coptotermes spp., and Cryptotermes spp. represent the three primary termite types. Overall, Africa has over 1, 000 diverse termite species, with significant contributions to ecosystems.
How Do Termites Make A Mound?
Termite mounds function as sophisticated ventilation systems, utilizing a thermosiphon mechanism where heat generated by metabolism creates buoyancy that pushes warm air to the mound's porous surface, enabling heat and gas exchange. Temperature changes within the mound trigger internal airflows that distribute pheromone-like cues, leading to construction activities. Macrotermitinae termites, known for their agricultural practices, maintain a symbiotic relationship with fungi of the Termitomyces genus.
This association likely originated in African forests. While termite mounds may resemble apartment complexes, they serve essential roles for colonies residing underground. Research has identified the impressive building techniques that contribute to the mounds' remarkable strength. These complex structures, built primarily with a mix of soil, saliva, and dung, can reach diameters of up to 30 meters and heights of 5 meters, with significant dirt movement involved in their construction.
Mound-building termites inhabit regions in Africa, Australia, and South America, usually in well-drained areas. The mounds, despite their solid appearance, are highly porous, acting as a biocement formed from a semi-liquid mixture of saliva, soil, and water. Termite mounds not only support extensive colonies but also enhance soil health by promoting aeration and nutrient cycling. Overall, the termitic architecture represents a feat of engineering that underscores the species' complex social structures and instincts for self-preservation.
📹 4,000 year old Termite Mounds Found in Brazil Equal to the Size of Great Britain
Termites are tiny insects about the size of an ant. They live in colonies that may contain 2 million relatives. Despite their small size …
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