Results 161 to 170 of about 338,800 (373)

Freshwater fish functional diversity shows diverse responses to human activities, but consistently declines in the tropics

open access: yesEcography, EarlyView.
Freshwater environments are intertwined with human activities and the consequence has been environmental degradation and biodiversity loss. Fish provide key ecological and economic benefits, and fish abundance and diversity can be affected by human activities resulting in functional diversity (FD) changes that might scale up to ecosystem impacts ...
Romullo Guimarães de Sá Ferreira Lima   +3 more
wiley   +1 more source

Generalised bumblebee–flower interactions demonstrate weak floral niche partitioning despite a high bee diversity

open access: yesEcography, EarlyView.
Niche partitioning is one of the key mechanisms allowing species coexistence and is especially relevant in species‐rich communities. For pollinators, morphology is a major axis in which species differentiate their foraging niche, as it influences the match with flower morphology. Bumblebees Bombus spp.
Xin Xu   +8 more
wiley   +1 more source

Рreparing the UDC in the Ukrainian

open access: yesБиблиосфера, 2013
The publication deals with the preconditions and historical aspects of preparing UDC in the Ukrainian language. The analysis of this classification structure is carried out as well as its structural features are revealed.
O. O. Serbin
doaj  

Study on the Preparation of Citrus Essential Oil Microemulsion and Its Effect on the Preservation of Fresh‐Cut Apples

open access: yesFood Safety and Health, EarlyView.
We successfully fabricated a thermodynamically stable microemulsion system encapsulating citrus essential oil, demonstrating potent free radical scavenging capacity. This formulation effectively inhibits the activity of browning‐related enzymes (polyphenol oxidase and peroxidase) in fresh‐cut apples, thereby preserving their postharvest quality and ...
Xinyu Feng   +3 more
wiley   +1 more source

Water Shortage and Mitigation Solutions: A Focus on New Physical and Financial Hedging Tools

open access: yesJournal of Futures Markets, EarlyView.
ABSTRACT Climate change, water mismanagement, and overconsumption are intensifying droughts and water shortages worldwide. Beyond health risks, water scarcity threatens food security, disrupts agriculture, and can fuel conflicts—underscoring the need for sustainable water management.
Nicola Bartolini   +2 more
wiley   +1 more source

Calculation of 𝜋 to 100,000 decimals [PDF]

open access: bronze, 1962
Daniel Shanks, John W. Wrench
openalex   +1 more source

A Simple Measure of Catastrophic Health Expenditures

open access: yesHealth Economics, EarlyView.
ABSTRACT In this paper, we propose a simple Watts‐type measure of catastrophic health expenditure (CHE) which is an adaptation of the classic Watts poverty measure. The appeal of the proposed measure stems from the fact that it is both additively decomposable (i.e., it provides information on the contributions of the various population subgroups of ...
Tomson Ogwang, Germano Mwabu
wiley   +1 more source

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