Results 11 to 20 of about 1,697,232 (267)

The Pattern of Heavy Metals Distribution in Time Chronosequence of Ex-Tin Mining Ponds in Bangka Regency, Indonesia

Indonesian Journal of Chemistry, 2019
The heavy metals distribution of ex-tin mining ponds were investigated. The time chronosequence was determined at the pond of age < 1 year (Station A), the pond of age 5–10 years (Station B), and the pond of age > 15 years (Station C). The results showed
Andri Kurniawan, Oedjijono Oedjijono, Tamad Tamad, Uyi Sulaeman   +3 more
doaj   +1 more source

Distribution Pattern and Mapping of Invasive Alien Species Bellucia pentamera in Conservation Area of PT. Tidar Kerinci Agung (TKA) Solok Selatan

Jurnal Biologi Universitas Andalas, 2021
Bellucia pentamera is one of the most dangerous invasive alien species for environment. This species had been invaded many forests in Indonesia. This species would invade more area due to deforestation.
Uswatul Inayah, Solfiyeni Solfiyeni
doaj   +1 more source

The Distribution Pattern and Species Richness of Scorpionflies (Mecoptera: Panorpidae)

Insects, 2023
The uneven distribution of species diversity on earth, with mountainous regions housing half of the high species diversity areas, makes mountain ecosystems vital to biodiversity conservation.
Jian Su, Wanjing Liu, Fangcheng Hu, Panpan Miao, Lianxi Xing, Yuan Hua   +5 more
doaj   +1 more source

Pattern Sampling in Distributed Databases [PDF]

, 2020
Many applications rely on distributed databases. However, only few discovery methods exist to extract patterns without centralizing the data. In fact, this centralization is often less expensive than the communication of extracted patterns from the different nodes.
Diop, Lamine, Diop, Cheikh Talibouya, Giacometti, Arnaud, Soulet, Arnaud   +3 more
openaire   +2 more sources

Mapping the Distribution Pattern of Startups In Uttarakhand: A Comprehensive Analysis [PDF]

E3S Web of Conferences
The intent of the research is to interrogate the distribution pattern of startups in the hilly state of Uttarakhand, India. Startups have gained significant attention in recent years as drivers of innovation, economic growth, and employment generation ...
Garia Prakash, Kumar Narendra, Sharma Somesh, Mittal Amit   +3 more
doaj   +1 more source

Plugging mechanisms of polymer gel used for hydraulic fracture water shutoff

e-Polymers, 2020
The performance of polymer gel to plug a hydraulic fracture is greatly affected by its distribution patterns and gelling effect. In this study, the migration of a gel plugging agent in a fracture and its plugging after gelling were investigated by ...
Zhang Song, Wei Falin, Liu Pingde, Shao Liming, Li Weitao   +4 more
doaj   +1 more source

Biodiversity and integration of ecological characteristics of species in spatial pattern analysis [PDF]

Global Journal of Environmental Science and Management, 2021
BACKGROUND AND OBJECTIVES: Assessment of biodiversity is a key factor in understanding of function and ecosystem management. Nevertheless, an operating procedure for assessing biodiversity and spatial pattern has not been established yet. Therefore, this
Z. Mohebi, H. Mirzaei
doaj   +1 more source

Effects of Environmental Factors on the Diversity of Grasshopper Communities along Altitude Gradients in Xizang, China

Insects
To determine the grasshopper species composition, altitudinal distribution patterns, and their main drivers, we conducted a study in Xizang using 33 sample plots ranging from 600 to 4100 m.
Yonghui Li, Qing Liu, Xiaoming Zhang, Benyong Mao, Guohui Yang, Fuming Shi, Jingui Bi, Zhibin Ma, Guowen Tang   +8 more
doaj   +1 more source

Penyebaran Dan Karakteristik Habitat Jenis Rasamal (Altingia excelsa Noronha) di Taman Nasional Gunung Halimun Salak

Journal of Natural Resources and Environmental Management, 2019
Rasamala (Altingia excelsa Noronha) is one of the primary species in Halimun Salak Mountain National Park that grows in the lower mountain forests. In addition to the value of conservation, almost all parts of rasamala species can be utilized such as ...
Istomo Istomo, Putri Novita Sari
doaj   +1 more source

Unveiling the Impact of Climatic Factors on the Distribution Patterns of Caragana spp. in China’s Three Northern Regions

Plants
Understanding the impacts of climate change on species’ geographic distributions is fundamental for biodiversity conservation and resource management. As a key plant group for ecological restoration and windbreak and sand fixation in arid and semi-arid ...
Weiwei Zhao, Yujia Liu, Yanxia Li, Chunjing Zou, Hideyuki Shimizu   +4 more
doaj   +1 more source