Results 71 to 80 of about 7,421 (220)

Anthropogenic Disturbances and Invasion of Mikania micrantha Threaten Rauvolfia serpentina Populations in Nepal

open access: yesEcology and Evolution, Volume 15, Issue 12, December 2025.
This research article investigate the current population dynamics of a threatened medicinal plant Rauvolfia serpentina.in differentially disturbed region of tropical forest in eastern Nepal. The findings revealed the cumulative impacts of over exploitation and invasion of Mikania micrantha have negatively impacted the population dynamics of R ...
Ajay Neupane   +2 more
wiley   +1 more source

Complete chloroplast genome sequence and phylogenetic analysis of Magnolia pilocarpa, a highly ornamental species endemic in central China

open access: yesMitochondrial DNA. Part B. Resources, 2020
Magnolia pilocarpa Z. Z. Zhao et Z. W. Xie is a species with high horticultural and medicinal value, which found only in Dabie Mountain of central China.
Jiaojun Yu   +4 more
doaj   +1 more source

Aktivitas Antituberkulosis Ekstrak N-heksana Kulit Batang Cempaka Kuning terhadap Mycobacterium Tuberculosis Strain Multidrug Resistant [PDF]

open access: yes, 2014
Penyakit tuberkulosis masih menjadi permasalahan kesehatan di dunia. Munculnya resistensi bakteri Mycobacterium tuberculosis terhadap obat antituberkulosis lini pertama menyebabkan jenis obat pada pedoman pengobatan tidak dapat membunuh bakteri ...
P, A. N. (Ariantari)   +2 more
core  

Pollen Foraging by Bumble Bee Queens During a Critical Nesting Period Revealed by DNA Metabarcoding

open access: yesEcology and Evolution, Volume 15, Issue 12, December 2025.
During the nest‐founding stage of the bumble bee (Apidae: Bombus) life cycle, solitary queen bees gather floral pollen to feed their offspring in nascent colonies. Here, in the first study of queen pollen loads in the southeastern U.S., we use next‐generation sequencing to characterize the pollen collected by wild bumble bee queens across northern and ...
Kelsey Schoenemann   +3 more
wiley   +1 more source

Shedding Light on Shining Leaf Chafers: Rutelinae MacLeay, 1819 (Coleoptera, Scarabaeoidea, Scarabaeidae) as a Neglected Group of Pollinators

open access: yesJournal of Applied Entomology, Volume 149, Issue 10, Page 1584-1599, December 2025.
ABSTRACT The interactions between insects and angiosperms date back to millions of years ago. Among the groups of pollinating animals, it is estimated that insects are responsible for pollinating more than 70% of angiosperms. Coleoptera is one of the most studied insect groups for pollination.
André da Silva Ferreira   +6 more
wiley   +1 more source

Beetle Pollination in the Holoparasitic Lophophytum pyramidale (Balanophoraceae): A New Case of Brood‐Pollination Mutualism?

open access: yesJournal of Applied Entomology, Volume 149, Issue 10, Page 1542-1554, December 2025.
ABSTRACT Beetle pollination is considered an ancestral trait in angiosperms, retained in a few specialised families engaging in longstanding interactions with ancient groups of beetles. While beetles represent some of the earliest angiosperm pollinators, there is also increasing evidence that some beetle‐pollinated plants represent a derived condition.
Alexandre da Silva Medeiros   +7 more
wiley   +1 more source

New Records of Alien Species in the Ohio Vascular Flora [PDF]

open access: yes, 1998
Author Institution: Department of Botany, Miami University ; Division of Natural Areas and Preserves, Ohio Department of Natural ResourcesExamination of specimens of vascular plants from various herbaria, as well as field collections, have revealed 70 ...
Cusick, Allison W., Vincent, Michael A.
core  

Distribution of First Instar Gypsy Moths (Lepidoptera: Lymantriidae) Among Saplings of Four Tree Species Common in the Great Lakes Region [PDF]

open access: yes, 2018
We examined the inter-tree distribution of first instar gypsy moth larvae under natural dispersal conditions in the field in Michigan in 1991. The study focused on saplings of northern red oak (Quercus rubra), white oak (Q. alba), red maple (Acer rubrum),
Stoyenoff, J. L, Witter, J. A
core   +3 more sources

Comprehensive tree assessments for prioritising conservation action in Mesoamerica

open access: yesPLANTS, PEOPLE, PLANET, Volume 7, Issue 6, Page 1813-1823, November 2025.
Tree species are of ecological and social importance globally. Mesoamerica has a diverse tree flora, and the region has experienced major changes in natural habitats due to human activities. In this study, for the first time, we assessed the conservation status of the region's tree species and found that 46% of trees in the region are at risk of ...
Emily Beech   +12 more
wiley   +1 more source

Inventarisasi Jenis Pohon Pada Cagar Alam Gunung Ambang, Sulawesi Utara [PDF]

open access: yes, 2015
Pohon sebagai penyusun utama kawasan hutan berperan penting dalam pengaturan tata air, cadangan plasma nutfah, penyangga kehidupan, sumber daya pembangunan dan sumber devisa Negara.
Embo, A. A. (Akbar)   +3 more
core  

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