Diversity, Volume 18, Issue 2

Sharm El-Luli, located along the southern Red Sea coast of Egypt, is a semi-enclosed, shallow, mangrove-fringed lagoon characterized by limited hydrodynamic exchange, high salinity, and low terrigenous input. This study investigates the influence of...

Freshwater ecosystems in arid and semi-arid zones of the East European Plain are characterized by severe habitat degradation, which negatively impacts their biodiversity. This study attempts to comprehensively examine the species richness of molluscs...

The East Alashan–Ordos Dryland of Inner Mongolia, China is the core area of the South Mongolian region, and one of the eight biodiversity centers in China. The plant biodiversity in the East Alashan–Ordos Dryland is diverse and unique, bu...

Although the Eastern Mediterranean Sea is a hotspot for marine bioinvasions, the accurate identification and monitoring of non-indigenous species (NIS) remain impeded by the ambiguous morphologies of species and limited regional genetic data. This st...

This study provides an updated overview of Anthophila (wild bees and honey bees) diversity and conservation status in Algeria, explicitly distinguishing between the managed honey bee (Apis mellifera) and native wild Anthophila species. Using a system...

Temperate oak forests are biodiversity-rich ecosystems, and Mexico is a major center of diversification for Quercus, with high levels of endemism. In Michoacán (central Mexico), the rapid expansion of avocado cultivation has reduced oak forest...

Cherry laurel is becoming increasingly popular due to its unique flavor, attractive appearance, and nutritional benefits. However, the morphological, pomological, and biochemical characteristics of the existing population in the Kaynaşlı di...

Accurate identification of population structure is crucial for the sustainable management of cephalopod fisheries. This study integrated genetic and morphological approaches to investigate the population structure of Todarodes pacificus in the northw...

The scorpion genus Hemiscorpius Peters, 1861 is renowned for its medically important species, particularly Hemiscorpius lepturus Peters, 1861, the type species of the genus and only species previously recorded in Iraq. However, the scorpion diversity...

The estuaries in the northern Yellow Sea of China’s high-latitude regions have provided favorable conditions for the natural spread of Spartina anglica (S. anglica) with global warming. However, it is difficult to grasp the occurrence and devel...

Temperate seagrass meadows are foundation habitats, but their communities are hard to census. Here, I provide a first COI environmental DNA (eDNA) metabarcoding snapshot from seawater at a Zostera marina meadow in the Vostok Bay marine reserve (Peter...

The genus Eryniopsis (Division Zoopagomycota, Order Entomophthorales, Family Entomophoraceae) includes four obligate insect pathogenic species with similarities in morphology and biology but also distinct differences. A new fungal genus Rolandia Gryg...

Bunodosoma cavernatum (Bosc, 1802) is a morphologically variable actinian species widely distributed in the Western Atlantic, yet poorly documented in Colombia. This study provides the first confirmed record of B. cavernatum in Cartagena Bay (Colombi...

Coral reefs in Djibouti, located at the biogeographic junction of the Red Sea and the Indian Ocean, remain among the least studied in the region despite increasing climate-driven pressures. This study provides the first scientific documentation of a...

Mangroves form an integral habitat component for species of the southern Arabian Gulf, yet their role in supporting fish remains limited. This study investigated habitat use by fish in mangroves to determine the diversity, abundance, size, and whethe...

Blue carbon ecosystems are critical biodiversity hotspots facing escalating threats. Coastal and Marine Spatial Planning (CMSP) is a key policy tool for protecting their biodiversity and enhancing ecosystem services, resilience, climate action, and s...

Diatoms are key primary producers and sensitive indicators in polar freshwater ecosystems, responding to environmental change. This study investigates diatom species richness and the influence of environmental variables in fourteen coastal lakes on K...

To investigate the dynamic characteristics of early fish life stages and their association with environmental factors in Xiangshan Bay, China, two surveys were conducted in the springs of 2023 and 2024 to collect fish eggs and larvae. A total of 21,2...

The defensive substances of ground beetles are synthesised and stored in a pair of defensive glands, commonly referred to as abdominal or pygidial glands. The chemical composition of the pygidial gland secretions and the morphology of the glands were...

Rhizobia are a polyphyletic group of Proteobacteria comprising approximately 700 different species. Despite significant advancements in their taxonomy, evolutionary history, and ecological importance, substantial knowledge gaps remain regarding a det...

Eukaryotic algae are key contributors to biodiversity and ecosystem functioning in aquatic environments. However, understanding their global diversity patterns and community assembly mechanisms remains limited by the lack of high-resolution, highly s...

The lasca Protochondrostoma genei is an endemic freshwater fish of high conservation concern, listed in Annex II of the Habitat Directive and classified as Endangered in Italy. This study investigates the ecology, population structure, and habitat us...

Environmental DNA (eDNA) serves as the material foundation for biodiversity research. As a revolutionary biomonitoring tool, eDNA technology offers significant advantages such as being non-invasive, efficient, and cost-effective. Understanding the eD...

Pinus yunnanensis, an endemic tree species in southwest China, is regarded as a suitable candidate for afforestation. However, long-term disturbances have led to forest degradation and structural simplification. This study evaluated taxonomic and phy...

Although the central focus of ecology has long been the relationship between biodiversity and ecosystem functioning, this relationship has rarely been explored in species-poor communities such as salt marshes, which have the potential to shed new lig...

The obligate symbiosis between aphids and their primary bacterial symbionts (Buchnera) is ecologically and evolutionarily significant, yet the genetic patterns underlying these associations require further clarification. This study investigated the c...

Haloxylon ammodendron plantations constitute a dominant vegetation component of the desert–oasis ecotone in the arid and semi-arid regions of northwest China, playing a critical role in maintaining oasis stability and ecological security. Howev...

Habitat loss and fragmentation threaten forest-dependent ungulates in subtropical mountain systems, yet integrative assessments linking habitat quality and landscape configuration remain limited. Here, we evaluated habitat suitability and identified...

Wetlands play essential roles in sustaining biodiversity, maintaining hydrological stability, and regulating the climate. Subalpine wetlands are particularly rare in Northeast China, yet their floristic composition and diversity patterns remain poorl...

Tallgrass prairie ecosystems in North America sustain globally important plant and animal biodiversity while providing ecosystem services, including biomass production, forage for livestock, and carbon sequestration. Land use change has left less tha...

Spices and pickled vegetables play a central role in everyday cuisine in China, contributing to flavor, food preservation, and dietary continuity, yet their ethnobotanical diversity and use patterns remain insufficiently documented in urbanizing regi...

Birds of the Anthropocene have to adapt to changing and often very unfavourable conditions, among them habitat fragmentation or outright habitat loss. Many organisations worldwide are deeply committed to stemming the tide of extinctions of native spe...

Phytoplankton play a central role in aquatic ecosystems as primary producers and serve as key bioindicators of water quality. This study systematically examined the seasonal dynamics (spring, summer, autumn) of phytoplankton communities in Beijing&rs...

The Mekong River is one of the most fish-species-rich rivers on Earth, yet most of our knowledge on fish diversity and migrations comes from fishery catch data, and fishery-independent, standard effort surveys are needed. Specifically, migratory fish...

Recent evolutionary genetics and molecular characterisation of Cryptolestes (Ganglbauer) stored grain pest beetle species revealed gaps in public DNA databases that resulted in molecular diagnostic inconsistencies in publicly available sequence datab...

Since it was first observed in Israel in the 1970s, and due to its subsequent negative impact on human activities, the nomad jellyfish Rhopilema nomadica has earned itself a spot on the list of the 100 Worst Invasive Alien Species in the Mediterranea...

Studying bird, insect, and other wildlife interactions with photovoltaic (PV) solar energy facilities is difficult due to limited multi-season, multi-site data. Researchers can address such data gaps by combining passive monitoring and artificial int...

Urban markets are key nodes for the persistence and adaptation of traditional edible plant knowledge, linking rural production with urban consumption. This study was based on monthly market surveys conducted throughout 2025 in an urban market in Bais...

We describe the first known complete cranium of an adult Cuvieronius from North America, dated to approximately 1.2 Ma, Early Irvingtonian North American Land Mammal Age. It differs in some details from better-known later Andean populations of Cuvier...

Most research on tocochromanols suggests that tocotrienols (T3) are rarely found in nature, especially in dicotyledonous species. The present study investigates species from the Ilex (holly) genus, the sole surviving genus in the Aquifoliaceae family...

Calanthe aristulifera is an endangered terrestrial orchid that has historically suffered from severe illegal poaching. However, little is understood regarding population dynamics for remaining C. aristulifera populations. This study presented the fir...

The marine fish genus Trachinotus (Carangidae: Trachinotinae) comprises species of considerable economic and ecological importance; however, a significant gap in genomic data has limited the understanding of its evolutionary history and systematics....

We used whole-genome sequencing to assemble the first complete mitogenome from a Mesentotoma Salmon, 1942 species. Mesentotoma was included in phylogenetic analyses along with 21 mitogenomes of other Entomobryinae. Maximum likelihood and Bayesian inf...

When analyzing the long-term viability of small, declining populations, it is essential to recognize that inbreeding and the erosion of genetic diversity are primarily driven by the effective population size, which is often a fraction of the total ce...

Fireworks are an important element of celebrations globally, and while there are multiple reports of their negative impact on both domestic and wild animals, there is limited data directly linking them to casualties. In this article, we present a cas...

The study of Palaearctic enchytraeid taxonomic richness revealed the limitations of applying morphological identification methods to certain species of the genus Cognettia. The use of molecular approaches enabled the identification of individuals bel...

Cyanobacteria of the genus Tychonema are common inhabitants of freshwater bodies in a temperate zones. In Lake Baikal, Tychonema sp. was first reported in 2014. It grows excessively on the bottom on almost all substrates types, forming epiphytic and...

“Placoderm” and sarcopterygian fishes dominated Devonian waters. Following the end-Devonian crisis, actinopterygians rapidly became major contributors to vertebrate diversity. This transition constitutes the first major diversification ev...

A fossil bird (MLP-PV 15-I-7-52) from Marambio (Seymour) Island, Antarctica, is described, representing the best-preserved skull reported for a Cretaceous neornithine and associated postcranial elements. Morphological analysis of the articular portio...

This study investigated the structure of the decapod crustacean community in first- and second-order coastal rivers of the Atlantic Forest in southern Bahia, focusing on taxonomic composition, abundance, richness, and distribution of species. The mai...