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Ringed Seal (Pusa hispida) Abundance in Isfjorden, Svalbard, After 20‐Years of Climate Change and a Concomitant Survey Hiatus

Marine Mammal Science, Volume 42, Issue 1, January 2026.
ABSTRACT Ringed seals (Pusa hispida) in Svalbard, Norway, are suspected to be declining due to a significant reduction in land‐fast sea ice, which serves as an essential breeding habitat, but were last surveyed in 2002. We address this data gap by conducting Uncrewed Aerial Systems (UAS) aerial surveys throughout Isfjorden (including adjacent small ...
Marc Rams i Rios +4 more
wiley +1 more source

Survival estimation through the cumulative hazard with monotone natural cubic splines using convex optimization-the HCNS approach. [PDF]

Comput Methods Programs Biomed, 2020
Bantis LE, Tsimikas JV, Georgiou SD.
europepmc +1 more source

The isominwidth problem on the 2‐sphere

Mathematika, Volume 72, Issue 1, January 2026.
Abstract Pál's isominwidth theorem states that for a fixed minimal width, the regular triangle has minimal area. A spherical version of this theorem was proven by Bezdek and Blekherman, if the minimal width is at most π2$\tfrac{\pi }{2}$. If the width is greater than π2$\tfrac{\pi }{2}$, the regular triangle no longer minimizes the area at fixed ...
Ansgar Freyer, Ádám Sagmeister
wiley +1 more source

Visual recognition of honeybee behavior patterns at the hive entrance. [PDF]